CVE-2026-77365
Optimole <= 4.2.10 - Unauthenticated Stored Cross-Site Scripting via 'a' (above_fold_images) Parameter
CVSS Score
7.2
EPSS Score
0.0%
EPSS Percentile
0th
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.
| CWE | CWE-79 |
| Vendor | optimole |
| Product | optimole – optimize images | convert webp & avif | cdn & lazy load | image optimization |
| Published | Aug 28, 2026 |
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CVSS v3 Breakdown
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability
Affected Versions
optimole / Optimole – Optimize Images | Convert WebP & AVIF | CDN & Lazy Load | Image Optimization
0 ≤ 4.2.10
References
wordfence.com: https://www.wordfence.com/threat-intel/vulnerabilities/id/b8634a78-e0d3-4e2e-87d8-4277f56511c6?source=cve plugins.trac.wordpress.org: https://plugins.trac.wordpress.org/browser/optimole-wp/tags/4.2.10/inc/v2/PageProfiler/Profile.php#L485 plugins.trac.wordpress.org: https://plugins.trac.wordpress.org/browser/optimole-wp/tags/4.2.10/inc/rest.php#L935 plugins.trac.wordpress.org: https://plugins.trac.wordpress.org/browser/optimole-wp/tags/4.2.10/inc/rest.php#L159 plugins.trac.wordpress.org: https://plugins.trac.wordpress.org/browser/optimole-wp/tags/4.2.10/inc/manager.php#L468 plugins.trac.wordpress.org: https://plugins.trac.wordpress.org/browser/optimole-wp/tags/4.2.10/inc/v2/PageProfiler/Profile.php#L189 plugins.trac.wordpress.org: https://plugins.trac.wordpress.org/browser/optimole-wp/tags/4.2.7/inc/v2/PageProfiler/Profile.php#L485 plugins.trac.wordpress.org: https://plugins.trac.wordpress.org/browser/optimole-wp/tags/4.2.7/inc/rest.php#L935 plugins.trac.wordpress.org: https://plugins.trac.wordpress.org/browser/optimole-wp/tags/4.2.7/inc/rest.php#L159 plugins.trac.wordpress.org: https://plugins.trac.wordpress.org/browser/optimole-wp/tags/4.2.7/inc/manager.php#L468 plugins.trac.wordpress.org: https://plugins.trac.wordpress.org/browser/optimole-wp/tags/4.2.7/inc/v2/PageProfiler/Profile.php#L189 plugins.trac.wordpress.org: https://plugins.trac.wordpress.org/changeset/3666687/optimole-wp/trunk/inc/v2/PageProfiler/Profile.php plugins.trac.wordpress.org: https://plugins.trac.wordpress.org/changeset?old_path=%2Foptimole-wp/tags/4.2.10&new_path=%2Foptimole-wp/tags/4.2.11
Credits
Osvaldo Noe Gonzalez Del Rio (Os)