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7 vulnerabilities found for Advanced Custom Fields: Extended by hwk-fr

CVE-2026-2839 (GCVE-0-2026-2839)
Vulnerability from cvelistv5
Published
2026-10-28 06:45
Modified
2026-10-29 01:41
Severity ?
5.3 (Medium) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
CWE
Summary
The Advanced Custom Fields: Extended plugin for WordPress is vulnerable to unauthorized access of data and triggering of server-side actions in all versions up to, and including, 0.9.2.7. This is due to multiple AJAX handlers registered for unauthenticated users (`wp_ajax_nopriv_*`) that fail to implement proper `current_user_can()` authorization checks. While these handlers use ACF's `acf_verify_ajax()` function to validate cryptographic nonces, the `acf_nonce` values are generated for guest users and publicly exposed in the page source of any frontend page utilizing an ACF form. This makes it possible for unauthenticated attackers to extract the guest nonce and bypass WordPress visibility permissions, leading to the unauthorized disclosure of post titles and internal Flexible Content layout structures. The vulnerability was partially patched in version 0.9.2.4.
References
Impacted products
Vendor Product Version
hwk-fr Advanced Custom Fields: Extended Version: 0   ≤ 0.9.2.7
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Show details on NVD website

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CVE-2026-10752 (GCVE-0-2026-10752)
Vulnerability from cvelistv5
Published
2026-10-27 11:32
Modified
2026-10-29 01:52
Severity ?
4.8 (Medium) - CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:L
CWE
Summary
The Advanced Custom Fields: Extended plugin for WordPress is vulnerable to authorization bypass in all versions up to, and including, 0.9.2.6. This is due to the plugin not properly verifying that a user is authorized to perform an action. This makes it possible for unauthenticated attackers to permanently delete arbitrary WordPress media library attachments by supplying a numeric attachment ID in the form submission without any ownership or capability verification. Exploitation requires a site administrator to have configured a public-facing ACFE form with an Email action whose attachment row uses a dynamic {field:...} source bound to a submittable field with the Delete option enabled.
References
Impacted products
Vendor Product Version
hwk-fr Advanced Custom Fields: Extended Version: 0   ≤ 0.9.2.6
 Create a notification for this product.
Show details on NVD website

To clipboard 

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CVE-2026-8809 (GCVE-0-2026-8809)
Vulnerability from cvelistv5
Published
2026-05-28 22:27
Modified
2026-05-29 10:08
Severity ?
9.8 (Critical) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CWE
  • CWE-269 - Improper Privilege Management
Summary
The Advanced Custom Fields: Extended plugin for WordPress is vulnerable to Privilege Escalation via Validation Bypass in all versions up to and including 0.9.2.5. The vulnerability exists due to the after_validate_save_post() function unconditionally trusting the attacker-controlled _acf_post_id POST parameter — with no authentication or integrity verification — to select a cleanup branch that silently discards all validation errors not prefixed with acfe:. This makes it possible for unauthenticated attackers to suppress both the role allow-list validation error added by acfe_field_user_roles::validate_front_value() and the administrator-role capability guard error added by acfe_module_form_action_user::validate_action(), causing wp_insert_user() to execute with an attacker-supplied administrator role argument and resulting in the creation of a new administrator-level user account. Exploitation requires the target site to expose a public ACFE frontend form configured with a Create User action that maps a role field.
References
Impacted products
Vendor Product Version
hwk-fr Advanced Custom Fields: Extended Version: 0   ≤ 0.9.2.5
 Create a notification for this product.
Show details on NVD website

To clipboard 

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CVE-2025-15463 (GCVE-0-2025-15463)
Vulnerability from cvelistv5
Published
2026-05-12 22:24
Modified
2026-05-13 00:17
Severity ?
6.5 (Medium) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N
CWE
  • CWE-94 - Improper Control of Generation of Code ('Code Injection')
Summary
The The Advanced Custom Fields: Extended plugin for WordPress is vulnerable to arbitrary shortcode execution in all versions up to, and including, 0.9.2.3. This is due to the software allowing users to execute an action that does not properly validate a value before running do_shortcode. This makes it possible for unauthenticated attackers to execute arbitrary shortcodes.
References
Impacted products
Vendor Product Version
hwk-fr Advanced Custom Fields: Extended Version: 0   ≤ 0.9.2.3
 Create a notification for this product.
Show details on NVD website

To clipboard 

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CVE-2025-14533 (GCVE-0-2025-14533)
Vulnerability from cvelistv5
Published
2026-01-20 09:25
Modified
2026-04-08 17:25
Severity ?
9.8 (Critical) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CWE
  • CWE-269 - Improper Privilege Management
Summary
The Advanced Custom Fields: Extended plugin for WordPress is vulnerable to Privilege Escalation in all versions up to, and including, 0.9.2.1. This is due to the 'insert_user' function not restricting the roles with which a user can register. This makes it possible for unauthenticated attackers to supply the 'administrator' role during registration and gain administrator access to the site. Note: The vulnerability can only be exploited if 'role' is mapped to the custom field.
References
Impacted products
Vendor Product Version
hwk-fr Advanced Custom Fields: Extended Version: 0   ≤ 0.9.2.1
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CVE-2025-13486 (GCVE-0-2025-13486)
Vulnerability from cvelistv5
Published
2025-12-03 06:47
Modified
2025-12-03 14:32
Severity ?
9.8 (Critical) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CWE
  • CWE-94 - Improper Control of Generation of Code ('Code Injection')
Summary
The Advanced Custom Fields: Extended plugin for WordPress is vulnerable to Remote Code Execution in versions 0.9.0.5 through 0.9.1.1 via the prepare_form() function. This is due to the function accepting user input and then passing that through call_user_func_array(). This makes it possible for unauthenticated attackers to execute arbitrary code on the server, which can be leveraged to inject backdoors or create new administrative user accounts.
References
Impacted products
Vendor Product Version
hwk-fr Advanced Custom Fields: Extended Version: 0.9.0.5   ≤ 0.9.1.1
 Create a notification for this product.
Show details on NVD website

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CVE-2023-5292 (GCVE-0-2023-5292)
Vulnerability from cvelistv5
Published
2023-10-20 07:29
Modified
2026-04-08 17:27
Severity ?
6.4 (Medium) - CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N
CWE
  • CWE-79 - Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
Summary
The Advanced Custom Fields: Extended plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'acfe_form' shortcode in versions up to, and including, 0.8.9.3 due to insufficient input sanitization and output escaping on user supplied attributes. This makes it possible for authenticated attackers with contributor-level and above permissions to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.
References
Impacted products
Vendor Product Version
hwk-fr Advanced Custom Fields: Extended Version: 0   ≤ 0.8.9.3
 Create a notification for this product.
Show details on NVD website

To clipboard 

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