Image optimization service by Optimole <= 4.1.0 - Insecure Direct Object Reference to Authenticated (Author+) Media Offload

Authorization Bypass Through User-Controlled Key
CVE CVE-2025-11519
CVSS Medium (4.3)
Publicly Published October 17, 2025
Last Updated October 18, 2025
Researcher Dmitrii Ignatyev
Description

The Optimole – Optimize Images | Convert WebP & AVIF | CDN & Lazy Load | Image Optimization plugin for WordPress is vulnerable to Insecure Direct Object Reference in all versions up to, and including, 4.1.0 via the /wp-json/optml/v1/move_image REST API endpoint due to missing validation on a user controlled key. This makes it possible for authenticated attackers, with Author-level access and above, to offload media that doesn't belong to them.

References

1 affected software package

Software Type Plugin
Software Slug optimole-wp (view on wordpress.org)
Patched? Yes
Affected Version
  • <= 4.1.0
Patched Version
  • 4.1.1
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