High severity7.2NVD Advisory· Published Aug 28, 2026
CVE-2026-77365
CVE-2026-77365
Description
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.
Affected products
3<=4.2.10+ 1 more
- (no CPE)range: <=4.2.10
- (no CPE)range: <=4.2.10
- WordPress/Optimole – Optimize Images | Convert WebP & AVIF | CDN & Lazy Load | Image Optimizationllm-fuzzyRange: <=4.2.10
Patches
Vulnerability mechanics
References
13- plugins.trac.wordpress.org/browser/optimole-wp/tags/4.2.10/inc/manager.phpnvd
- plugins.trac.wordpress.org/browser/optimole-wp/tags/4.2.10/inc/rest.phpnvd
- plugins.trac.wordpress.org/browser/optimole-wp/tags/4.2.10/inc/rest.phpnvd
- plugins.trac.wordpress.org/browser/optimole-wp/tags/4.2.10/inc/v2/PageProfiler/Profile.phpnvd
- plugins.trac.wordpress.org/browser/optimole-wp/tags/4.2.10/inc/v2/PageProfiler/Profile.phpnvd
- plugins.trac.wordpress.org/browser/optimole-wp/tags/4.2.7/inc/manager.phpnvd
- plugins.trac.wordpress.org/browser/optimole-wp/tags/4.2.7/inc/rest.phpnvd
- plugins.trac.wordpress.org/browser/optimole-wp/tags/4.2.7/inc/rest.phpnvd
- plugins.trac.wordpress.org/browser/optimole-wp/tags/4.2.7/inc/v2/PageProfiler/Profile.phpnvd
- plugins.trac.wordpress.org/browser/optimole-wp/tags/4.2.7/inc/v2/PageProfiler/Profile.phpnvd
- plugins.trac.wordpress.org/changeset/3666687/optimole-wp/trunk/inc/v2/PageProfiler/Profile.phpnvd
- plugins.trac.wordpress.org/changesetnvd
- www.wordfence.com/threat-intel/vulnerabilities/id/b8634a78-e0d3-4e2e-87d8-4277f56511c6nvd
News mentions
1- WordPress: 25 Plugin Vulnerabilities Including Critical RCE Disclosed in Single BatchVypr Intelligence · Aug 28, 2026