Common Weakness Enumeration

CWE-502

Allowed

Deserialization of Untrusted Data

Abstraction: Base · Status: Draft

API response cwe.mitre.org

The product deserializes untrusted data without sufficiently ensuring that the resulting data will be valid.

2667 vulnerabilities reference this CWE, most recent first.

CVE-2024-3240 (GCVE-0-2024-3240)

Vulnerability from cvelistv5 – Published: 2024-05-04 03:31 – Updated: 2026-04-08 17:34
VLAI
Title
ConvertPlug <= 3.5.25 - Authenticated (Contributor+) PHP Object Injection
Summary
The ConvertPlug plugin for WordPress is vulnerable to PHP Object Injection in all versions up to, and including, 3.5.25 via deserialization of untrusted input from the 'settings_encoded' attribute of the 'smile_info_bar' shortcode. This makes it possible for authenticated attackers, with contributor-level access and above, to inject a PHP Object. No POP chain is present in the vulnerable plugin. If a POP chain is present via an additional plugin or theme installed on the target system, it could allow the attacker to delete arbitrary files, retrieve sensitive data, or execute code.
Severity
8.8 (High)
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
SSVC
Exploitation: none Automatable: no Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2024-05-10 15:15 UTC
CWE
  • CWE-502 - Deserialization of Untrusted Data
Assigner
Wordfence CNA
References
Impacted products
Vendor Product Version
Brainstorm Force ConvertPlus Affected: 0 , ≤ 3.5.25 (semver)
Create a notification for this product.
brainstormforce convertplug Affected: 0 , ≤ 3.5.25 (semver)
    cpe:2.3:a:brainstormforce:convertplug:*:*:*:*:*:*:*:*
Create a notification for this product.
Credits
AmrAwad
Show details on NVD website
To clipboard 

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CVE-2024-3070 (GCVE-0-2024-3070)

Vulnerability from cvelistv5 – Published: 2024-05-09 20:03 – Updated: 2026-04-08 17:17
VLAI
Title
Last Viewed Posts by WPBeginner <= 1.0.0 - Unauthenticated PHP Object Injection
Summary
The Last Viewed Posts by WPBeginner plugin for WordPress is vulnerable to PHP Object Injection in all versions up to, and including, 1.0.0 via deserialization of untrusted input from the LastViewedPosts Cookie. This makes it possible for unauthenticated attackers to inject a PHP Object. No known POP chain is present in the vulnerable plugin. If a POP chain is present via an additional plugin or theme installed on the target system, it could allow the attacker to delete arbitrary files, retrieve sensitive data, or execute code.
Severity
9.8 (Critical)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2024-05-10 14:10 UTC
CWE
  • CWE-502 - Deserialization of Untrusted Data
Assigner
Wordfence CNA
References
Impacted products
Vendor Product Version
jottlieb Last Viewed Posts by WPBeginner Affected: 0 , ≤ 1.0.0 (semver)
Create a notification for this product.
Credits
Francesco Carlucci
Show details on NVD website
To clipboard 

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CVE-2024-3054 (GCVE-0-2024-3054)

Vulnerability from cvelistv5 – Published: 2024-04-12 09:30 – Updated: 2026-04-08 17:19
VLAI
Title
WPvivid Backup & Migration Plugin <= 0.9.99 - Authenticated (Admin+) PHAR Deserialization
Summary
WPvivid Backup & Migration Plugin for WordPress is vulnerable to PHAR Deserialization in all versions up to, and including, 0.9.99 via deserialization of untrusted input at the wpvividstg_get_custom_exclude_path_free action. This is due to the plugin not providing sufficient path validation on the tree_node[node][id] parameter. This makes it possible for authenticated attackers, with admin-level access and above, to call files using a PHAR wrapper that will deserialize the data and call arbitrary PHP Objects. No POP chain is present in the vulnerable plugin. If a POP chain is present via an additional plugin or theme installed on the target system, it could allow the attacker to delete arbitrary files, retrieve sensitive data, or execute code.
Severity
7.2 (High)
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2024-05-31 14:53 UTC
CWE
  • CWE-502 - Deserialization of Untrusted Data
Assigner
Wordfence CNA
References
Impacted products
Credits
Maksim Kosenko
Show details on NVD website
To clipboard 

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CVE-2024-3020 (GCVE-0-2024-3020)

Vulnerability from cvelistv5 – Published: 2024-04-10 04:30 – Updated: 2026-04-08 17:26
VLAI
Title
Carousel, Slider, Gallery by WP Carousel – Image Carousel & Photo Gallery, Post Carousel & Post Grid, Product Carousel & Product Grid for WooCommerce <= 2.6.3 - Authenticated (Admin+) PHP Object Injection
Summary
The plugin is vulnerable to PHP Object Injection in versions up to and including, 2.6.3 via deserialization of untrusted input in the import function via the 'shortcode' parameter. This allows authenticated attackers, with administrator-level access to inject a PHP Object. If a POP chain is present via an additional plugin or theme installed on the target system, it could allow the attacker to delete arbitrary files, retrieve sensitive data, or execute code.
Severity
7.2 (High)
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
SSVC
Exploitation: none Automatable: no Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2024-05-20 19:07 UTC
CWE
  • CWE-502 - Deserialization of Untrusted Data
Assigner
Wordfence CNA
References
Impacted products
Vendor Product Version
shapedplugin Carousel, Slider, Photo Gallery with Lightbox, Video Slider, by WP Carousel Affected: 0 , ≤ 2.6.3 (semver)
Create a notification for this product.
shapedplugin product_slider_for_woocommerce Affected: 0 , < 2.6.3 (semver)
    cpe:2.3:a:shapedplugin:product_slider_for_woocommerce:-:*:*:*:*:wordpress:*:*
Create a notification for this product.
shapedplugin post_grid\,_post_carousel\,_\&_list_category_posts Affected: 0 , < 2.6.3 (semver)
    cpe:2.3:a:shapedplugin:post_grid\,_post_carousel\,_\&_list_category_posts:*:*:*:*:*:wordpress:*:*
Create a notification for this product.
shapedplugin logo_carousel Affected: 0 , < 2.6.3 (semver)
    cpe:2.3:a:shapedplugin:logo_carousel:-:*:*:*:*:wordpress:*:*
Create a notification for this product.
Credits
hoanpk
Show details on NVD website
To clipboard 

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CVE-2024-3018 (GCVE-0-2024-3018)

Vulnerability from cvelistv5 – Published: 2024-03-30 11:17 – Updated: 2026-04-08 16:45
VLAI
Title
Essential Addons for Elementor <= 5.9.13 - Authenticated (Author+) PHP Object Injection via error_resetpassword
Summary
The Essential Addons for Elementor plugin for WordPress is vulnerable to PHP Object Injection in all versions up to, and including, 5.9.13 via deserialization of untrusted input from the 'error_resetpassword' attribute of the "Login | Register Form" widget (disabled by default). This makes it possible for authenticated attackers, with author-level access and above, to inject a PHP Object. If a POP chain is present via an additional plugin or theme installed on the target system, it could allow the attacker to delete arbitrary files, retrieve sensitive data, or execute code.
Severity
8.8 (High)
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
SSVC
Exploitation: none Automatable: no Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2024-08-22 20:41 UTC
CWE
  • CWE-502 - Deserialization of Untrusted Data
Assigner
Wordfence CNA
References
Impacted products
Vendor Product Version
wpdevteam Essential Addons for Elementor – Popular Elementor Templates & Widgets Affected: 0 , ≤ 5.9.13 (semver)
Create a notification for this product.
wpdeveloper essential_addons_for_elementor Affected: 0 , ≤ 5.9.13 (custom)
    cpe:2.3:a:wpdeveloper:essential_addons_for_elementor:-:*:*:*:*:wordpress:*:*
Create a notification for this product.
Credits
Ngô Thiên An
Show details on NVD website
To clipboard 

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CVE-2024-2721 (GCVE-0-2024-2721)

Vulnerability from cvelistv5 – Published: 2024-03-20 11:40 – Updated: 2026-04-28 16:09
VLAI
Title
WordPress Social Media Share Buttons plugin <= 2.1.0 - PHP Object Injection vulnerability
Summary
Deserialization of Untrusted Data vulnerability in Social Media Share Buttons By Sygnoos Social Media Share Buttons.This issue affects Social Media Share Buttons: from n/a through 2.1.0.
Severity
8.2 (High)
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:N
SSVC
Exploitation: none Automatable: no Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2024-08-05 19:53 UTC
CWE
  • CWE-502 - Deserialization of Untrusted Data
Assigner
References
Impacted products
Vendor Product Version
Social Media Share Buttons By Sygnoos Social Media Share Buttons Affected: n/a , ≤ 2.1.0 (custom)
Create a notification for this product.
sygnoos social_media_share_buttons Affected: 0 , ≤ 2.1.0 (custom)
    cpe:2.3:a:sygnoos:social_media_share_buttons:*:*:*:*:*:*:*:*
Create a notification for this product.
Credits
Dimas Maulana (Patchstack Alliance)
Show details on NVD website
To clipboard 

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CVE-2024-2694 (GCVE-0-2024-2694)

Vulnerability from cvelistv5 – Published: 2024-08-30 04:29 – Updated: 2026-04-08 17:13
VLAI
Title
Betheme <= 27.5.6 - Authenticated (Contributor+) PHP Object Injection
Summary
The Betheme theme for WordPress is vulnerable to PHP Object Injection in all versions up to, and including, 27.5.6 via deserialization of untrusted input of the 'mfn-page-items' post meta value. This makes it possible for authenticated attackers, with contributor-level access and above, to inject a PHP Object. No known POP chain is present in the vulnerable plugin. If a POP chain is present via an additional plugin or theme installed on the target system, it could allow the attacker to delete arbitrary files, retrieve sensitive data, or execute code.
Severity
8.8 (High)
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
SSVC
Exploitation: none Automatable: no Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2024-08-30 14:37 UTC
CWE
  • CWE-502 - Deserialization of Untrusted Data
Assigner
Wordfence CNA
References
Impacted products
Vendor Product Version
MuffinGroup Betheme Affected: 0 , ≤ 27.5.6 (semver)
Create a notification for this product.
muffingroup betheme Affected: 0 , ≤ 27.5.6 (semver)
    cpe:2.3:a:muffingroup:betheme:*:*:*:*:*:*:*:*
Create a notification for this product.
Credits
Francesco Carlucci
Show details on NVD website
To clipboard 

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}

CVE-2024-2693 (GCVE-0-2024-2693)

Vulnerability from cvelistv5 – Published: 2024-04-09 18:59 – Updated: 2026-04-08 17:02
VLAI
Title
Link Whisper Free <= 0.7.1 - Authenticated (Contributor+) PHP Object Injection
Summary
The Link Whisper Free plugin for WordPress is vulnerable to PHP Object Injection in all versions up to, and including, 0.7.1 via deserialization of untrusted input of the 'mfn-page-items' post meta value. This makes it possible for authenticated attackers, with contributor-level access and above, to inject a PHP Object. No known POP chain is present in the vulnerable plugin. If a POP chain is present via an additional plugin or theme installed on the target system, it could allow the attacker to delete arbitrary files, retrieve sensitive data, or execute code.
Severity
8.8 (High)
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
SSVC
Exploitation: none Automatable: no Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2024-04-11 17:49 UTC
CWE
  • CWE-502 - Deserialization of Untrusted Data
Assigner
Wordfence CNA
References
Impacted products
Vendor Product Version
linkwhspr Link Whisper Free Affected: 0 , ≤ 0.7.1 (semver)
Create a notification for this product.
linkwhisper link_whisper_free Affected: 0 , < 0.7.1 (semver)
    cpe:2.3:a:linkwhisper:link_whisper_free:*:*:*:*:*:wordpress:*:*
Create a notification for this product.
Credits
Francesco Carlucci
Show details on NVD website
To clipboard 

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CVE-2024-2501 (GCVE-0-2024-2501)

Vulnerability from cvelistv5 – Published: 2024-04-09 18:59 – Updated: 2026-04-08 17:25
VLAI
Title
Hubbub Lite – Fast, Reliable Social Network Sharing Buttons <= 1.33.1 - PHP Object Injection
Summary
The Hubbub Lite – Fast, Reliable Social Sharing Buttons plugin for WordPress is vulnerable to PHP Object Injection in all versions up to, and including, 1.33.1 via deserialization of untrusted input via the 'dpsp_maybe_unserialize' function. This makes it possible for authenticated attackers, with contributor access and above, to inject a PHP Object. No POP chain is present in the vulnerable plugin. If a POP chain is present via an additional plugin or theme installed on the target system, it could allow the attacker to delete arbitrary files, retrieve sensitive data, or execute code.
Severity
7.5 (High)
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
SSVC
Exploitation: none Automatable: no Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2024-07-31 17:58 UTC
CWE
  • CWE-502 - Deserialization of Untrusted Data
Assigner
Wordfence CNA
References
Impacted products
Vendor Product Version
nerdpressteam Hubbub Lite – Fast, free social sharing and follow buttons Affected: 0 , ≤ 1.33.1 (semver)
Create a notification for this product.
morehubbub hubbub_lite Affected: 0 , ≤ 1.33.1 (semver)
    cpe:2.3:a:morehubbub:hubbub_lite:*:*:*:*:*:wordpress:*:*
Create a notification for this product.
nerdpress hubbub_lites Affected: 0 , ≤ 1.33.1 (semver)
    cpe:2.3:a:nerdpress:hubbub_lites:*:*:*:*:*:*:*:*
Create a notification for this product.
Credits
Craig Smith
Show details on NVD website
To clipboard 

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CVE-2024-2290 (GCVE-0-2024-2290)

Vulnerability from cvelistv5 – Published: 2024-05-09 20:03 – Updated: 2026-04-08 17:33
VLAI
Title
Advanced Ads – Ad Manager & AdSense <= 1.52.1 - Authenticated (Admin+) PHP Object Injection
Summary
The Advanced Ads plugin for WordPress is vulnerable to PHP Object Injection in all versions up to, and including, 1.52.1 via deserialization of untrusted input in the 'placement_slug' parameter. This makes it possible for authenticated attackers to inject a PHP Object. No POP chain is present in the vulnerable plugin. If a POP chain is present via an additional plugin or theme installed on the target system, it could allow the attacker to delete arbitrary files, retrieve sensitive data, or execute code.
Severity
7.2 (High)
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
SSVC
Exploitation: none Automatable: no Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2024-05-23 19:39 UTC
CWE
  • CWE-502 - Deserialization of Untrusted Data
Assigner
Wordfence CNA
References
Impacted products
Vendor Product Version
monetizemore Advanced Ads – Ad Manager & AdSense Affected: 0 , ≤ 1.52.1 (semver)
Create a notification for this product.
wpadvancedads advanced_ads_-_ad_manager_\&_adsense Affected: 0 , ≤ 1.52.1 (semver)
    cpe:2.3:a:wpadvancedads:advanced_ads_-_ad_manager_\&_adsense:*:*:*:*:*:wordpress:*:*
Create a notification for this product.
Credits
Son Tran
Show details on NVD website
To clipboard 

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Mitigation
Architecture and Design Implementation

If available, use the signing/sealing features of the programming language to assure that deserialized data has not been tainted. For example, a hash-based message authentication code (HMAC) could be used to ensure that data has not been modified.

Mitigation
Implementation

When deserializing data, populate a new object rather than just deserializing. The result is that the data flows through safe input validation and that the functions are safe.

Mitigation
Implementation

Explicitly define a final object() to prevent deserialization.

Mitigation
Architecture and Design Implementation
  • Make fields transient to protect them from deserialization.
  • An attempt to serialize and then deserialize a class containing transient fields will result in NULLs where the transient data should be. This is an excellent way to prevent time, environment-based, or sensitive variables from being carried over and used improperly.
Mitigation
Implementation

Avoid having unnecessary types or gadgets (a sequence of instances and method invocations that can self-execute during the deserialization process, often found in libraries) available that can be leveraged for malicious ends. This limits the potential for unintended or unauthorized types and gadgets to be leveraged by the attacker. Add only acceptable classes to an allowlist. Note: new gadgets are constantly being discovered, so this alone is not a sufficient mitigation.

Mitigation
Architecture and Design Implementation

Employ cryptography of the data or code for protection. However, it's important to note that it would still be client-side security. This is risky because if the client is compromised then the security implemented on the client (the cryptography) can be bypassed.

Mitigation MIT-29
Operation

Strategy: Firewall

Use an application firewall that can detect attacks against this weakness. It can be beneficial in cases in which the code cannot be fixed (because it is controlled by a third party), as an emergency prevention measure while more comprehensive software assurance measures are applied, or to provide defense in depth [REF-1481].

CAPEC-586: Object Injection

An adversary attempts to exploit an application by injecting additional, malicious content during its processing of serialized objects. Developers leverage serialization in order to convert data or state into a static, binary format for saving to disk or transferring over a network. These objects are then deserialized when needed to recover the data/state. By injecting a malformed object into a vulnerable application, an adversary can potentially compromise the application by manipulating the deserialization process. This can result in a number of unwanted outcomes, including remote code execution.

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