CVE-2024-4636: Optimole – Optimize Images In Real Time

Medium severity, CVSS 6.4. EPSS: 0.4% chance of exploitation in the next 30 days.

The Image Optimization by Optimole – Lazy Load, CDN, Convert WebP & AVIF plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the ‘allow_meme_types’ function in versions up to, and including, 3.12.10 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with contributor-level permissions and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.

Affected products

• Optimole Optimole – Optimize Images In Real Time: up to and including 3.12.10

Published 2024-05-15. Last modified 2026-06-17.