Insecure Direct Object Reference in Optimole Image Optimization Plugin for WordPress
CVE-2025-11519

4.3MEDIUM

Key Information:

Vendor

WordPress
Status
Optimole – Optimize Images | Convert Webp & Avif | Cdn & Lazy Load | Image Optimization
Vendor
CVE Published:
18 October 2025

What is CVE-2025-11519?

The Optimole plugin for WordPress experiences an Insecure Direct Object Reference vulnerability in all versions up to and including 4.1.0. This issue arises from insufficient validation on a user-controlled key via the /wp-json/optml/v1/move_image REST API endpoint. As a result, authenticated attackers with Author-level access and above can exploit this vulnerability to unlawfully offload media files that do not belong to them, potentially compromising the integrity and confidentiality of sensitive media resources.

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Affected Version(s)

Optimole – Optimize Images | Convert WebP & AVIF | CDN & Lazy Load | Image Optimization * <= 4.1.0

References

https://www.wordfence.com/threat-intel/vulnerabilities/id...
https://research.cleantalk.org/CVE-2025-11519
https://plugins.trac.wordpress.org/changeset?sfp_email=&s...

CVSS V3.1

Score:
4.3
Severity:
MEDIUM
Confidentiality:
None
Integrity:
Low
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

Dmitrii Ignatyev
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