CVE-2026-77365

Optimole <= 4.2.10 - Unauthenticated Stored Cross-Site Scripting via 'a' (above_fold_images) Parameter

Published Aug 28, 2026 CVSS 3.1 · 7.2 High EPSS < 1% KEV · Not listed
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.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
First Time appeared Optimole
Optimole optimole – Optimize Images | Convert Webp & Avif | Cdn & Lazy Load | Image Optimization
Wordpress
Wordpress wordpress
Vendors & Products Optimole
Optimole optimole – Optimize Images | Convert Webp & Avif | Cdn & Lazy Load | Image Optimization
Wordpress
Wordpress wordpress
Type Values Removed Values Added
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.
Title Optimole <= 4.2.10 - Unauthenticated Stored Cross-Site Scripting via 'a' (above_fold_images) Parameter
Weaknesses CWE-79
References
Metrics cvssV3_1

{'score': 7.2, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
Wordfence
Published
Updated
Aug 28, 2026, 3:17 PM
Reserved
Aug 20, 2026, 7:34 PM
Status
Deferred
Published
Aug 28, 2026, 5:16 AM
Modified
Aug 28, 2026, 4:18 PM