CVE-2026-77365Optimole <= 4.2.10 - Unauthenticated Stored Cross-Site Scripting via 'a' (above_fold_images) Parameter
Updated under an hour ago ()
Does this affect you?
It affects Optimole – Optimize Images | Convert WebP & AVIF | CDN & Lazy Load | Image Optimization. Add what you run to find out whether that includes you.
No exploitation reported and no EPSS estimate yet.
The Optimole – Optimize Images | Convert WebP & AVIF | CDN & Lazy Load | Image Optimization plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'a' (above_fold_images) parameter in all versions up to, and including, 4.2.10 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.
- CVSS
- 7.2 HIGH (v3.1, CNA)CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N
- Weakness (CWE)
- CWE-79
- Known exploited
- Not in CISA's KEV catalog
- EPSS (exploitation in the next 30 days)
- Not loaded for this CVE
- Assigned by
- Wordfence
- NVD analysis
- Deferred
- Record last updated
- Aug 28, 2026
- First seen by InfoSec Signals
- Oct 9, 2026
Affected products
optimole Optimole – Optimize Images | Convert WebP & AVIF | CDN & Lazy Load | Image Optimization optimole:optimize_images_convert_webp_and_avif_cdn_and_lazy_load_image_optimization (from the name) | through 4.2.10 | CNA record |
References
- https://www.wordfence.com/threat-intel/vulnerabilities/id/b8634a78-e0d3-4e2e-87d8-4277f56511c6?source=cve
- https://plugins.trac.wordpress.org/browser/optimole-wp/tags/4.2.10/inc/v2/PageProfiler/Profile.php#L485
- https://plugins.trac.wordpress.org/browser/optimole-wp/tags/4.2.10/inc/rest.php#L935
- https://plugins.trac.wordpress.org/browser/optimole-wp/tags/4.2.10/inc/rest.php#L159
- https://plugins.trac.wordpress.org/browser/optimole-wp/tags/4.2.10/inc/manager.php#L468
- https://plugins.trac.wordpress.org/browser/optimole-wp/tags/4.2.10/inc/v2/PageProfiler/Profile.php#L189
- https://plugins.trac.wordpress.org/browser/optimole-wp/tags/4.2.7/inc/v2/PageProfiler/Profile.php#L485
- https://plugins.trac.wordpress.org/browser/optimole-wp/tags/4.2.7/inc/rest.php#L935
- https://plugins.trac.wordpress.org/browser/optimole-wp/tags/4.2.7/inc/rest.php#L159
- https://plugins.trac.wordpress.org/browser/optimole-wp/tags/4.2.7/inc/manager.php#L468
- https://plugins.trac.wordpress.org/browser/optimole-wp/tags/4.2.7/inc/v2/PageProfiler/Profile.php#L189
- https://plugins.trac.wordpress.org/changeset/3666687/optimole-wp/trunk/inc/v2/PageProfiler/Profile.php
- https://plugins.trac.wordpress.org/changeset?old_path=%2Foptimole-wp/tags/4.2.10&new_path=%2Foptimole-wp/tags/4.2.11
The CVE record on cve.org NVD's entry
The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.