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CVE-2026-14995

HIGH 7.2 CVSS 3.1
Published
October 1, 2026
Last modified
October 1, 2026
NVD status
Deferred
Reported by
security@wordfence.com
Weakness
CWE-79
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N

Description

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().

Affected WordPress components

A confirmed match is backed by the plugin or theme slug. A possible match is based on the product name only and should be verified.

Affected products and versions

  • optimizingmatters Autoptimize — Up to and including 3.1.15.1

References

  • plugins.trac.wordpress.org https://plugins.trac.wordpress.org/browser/autoptimize/tags/3.1.15.1/classes/autoptimizeCriticalCSSEnqueue.php#L218
  • plugins.trac.wordpress.org https://plugins.trac.wordpress.org/browser/autoptimize/tags/3.1.15.1/classes/autoptimizeCriticalCSSEnqueue.php#L57
  • plugins.trac.wordpress.org https://plugins.trac.wordpress.org/browser/autoptimize/tags/3.1.15.1/classes/critcss-inc/admin_settings_queue.js.php#L125
  • plugins.trac.wordpress.org https://plugins.trac.wordpress.org/browser/autoptimize/tags/3.1.15.1/classes/critcss-inc/admin_settings_queue.php#L82
  • plugins.trac.wordpress.org https://plugins.trac.wordpress.org/changeset?reponame=&old=3713884%40autoptimize&new=3713884%40autoptimize
  • www.wordfence.com https://www.wordfence.com/threat-intel/vulnerabilities/id/1704cffa-75ed-415e-864f-de7ff8eea8dc?source=cve
  • nvd.nist.gov Official NVD record