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5 vulnerabilities found for Autoptimize by optimizingmatters

CVE-2026-78471 (GCVE-0-2026-78471)
Vulnerability from cvelistv5
Published
2026-10-02 05:30
Modified
2026-10-03 15:42
Severity ?
5.4 (Medium) - CVSS:3.1/AV:N/AC:H/PR:N/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 Autoptimize plugin for WordPress is vulnerable to Stored Cross-Site Scripting via Comment Author Name in all versions up to, and including, 3.1.15.1 due to insufficient input sanitization and output escaping. This makes it possible for unauthenticated attackers to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page. Exploitation requires an administrator to have enabled Autoptimize's 'Lazy-load images?' option, the w3-total-cache/w3-total-cache.php file to be present on disk with the plugin disabled, a class named Minify_HTML to be loaded into scope by another plugin, and the malicious comment to be approved by a moderator before the payload renders.
References
Impacted products
Vendor Product Version
optimizingmatters Autoptimize Version: 0   ≤ 3.1.15.1
 Create a notification for this product.
Show details on NVD website

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CVE-2026-14995 (GCVE-0-2026-14995)
Vulnerability from cvelistv5
Published
2026-10-01 08:28
Modified
2026-10-01 14:02
Severity ?
7.2 (High) - CVSS:3.1/AV:N/AC:L/PR:N/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 Autoptimize plugin for WordPress is vulnerable to Stored Cross-Site Scripting via REQUEST_URI Path in all versions up to, and including, 3.1.15.1 due to insufficient input sanitization and output escaping. This makes it possible for unauthenticated attackers to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page. Exploitation requires the Critical CSS feature to be active with a valid API key configured, as this is the precondition for unauthenticated frontend requests to trigger queue entries via ao_ccss_enqueue().
References
Impacted products
Vendor Product Version
optimizingmatters Autoptimize Version: 0   ≤ 3.1.15.1
 Create a notification for this product.
Show details on NVD website

To clipboard 

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CVE-2026-2430 (GCVE-0-2026-2430)
Vulnerability from cvelistv5
Published
2026-03-20 23:25
Modified
2026-04-08 17:28
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 Autoptimize plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the lazy-loading image processing in all versions up to, and including, 3.1.14. This is due to the use of an overly permissive regular expression in the `add_lazyload` function that replaces all occurrences of `\ssrc=` in image tags without limiting to the actual attribute. This makes it possible for authenticated attackers, with Contributor-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page by crafting an image tag where the `src` URL contains a space followed by `src=`, causing the regex to break the HTML structure and promote text inside attribute values into executable HTML attributes.
References
Impacted products
Vendor Product Version
optimizingmatters Autoptimize Version: 0   ≤ 3.1.14
 Create a notification for this product.
Show details on NVD website

To clipboard 

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CVE-2026-2352 (GCVE-0-2026-2352)
Vulnerability from cvelistv5
Published
2026-03-20 23:25
Modified
2026-04-08 16:56
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 Autoptimize plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'ao_post_preload' meta value in all versions up to, and including, 3.1.14. This is due to insufficient input sanitization in the `ao_metabox_save()` function and missing output escaping when the value is rendered into a `<link>` tag in `autoptimizeImages.php`. This makes it possible for authenticated attackers, with Contributor-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page, granted the "Image optimization" or "Lazy-load images" setting is enabled in the plugin configuration.
References
Impacted products
Vendor Product Version
optimizingmatters Autoptimize Version: 0   ≤ 3.1.14
 Create a notification for this product.
Show details on NVD website

To clipboard 

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    "cveId": "CVE-2026-2352",
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    "dateReserved": "2026-02-11T16:37:03.973Z",
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CVE-2025-13401 (GCVE-0-2025-13401)
Vulnerability from cvelistv5
Published
2025-12-03 13:52
Modified
2026-04-08 16:59
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 Autoptimize plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the LCP Image to preload metabox in all versions up to, and including, 3.1.13 due to insufficient input sanitization and output escaping on user-supplied image attributes in the "create_img_preload_tag" function. This makes it possible for authenticated attackers, with contributor level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.
References
Impacted products
Vendor Product Version
optimizingmatters Autoptimize Version: 0   ≤ 3.1.13
 Create a notification for this product.
Show details on NVD website

To clipboard 

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