CVE-2025-13750
Unauthorized Data Modification in WebP Converter WordPress Plugin
Publication date: 2025-12-17
Last updated on: 2025-12-17
Assigner: Wordfence
Description
Description
CVSS Scores
EPSS Scores
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Meta Information
Affected Vendors & Products
| Vendor | Product | Version / Range |
|---|---|---|
| wordpress | webp_converter_for_media | 6.3.2 |
Helpful Resources
Exploitability
| CWE ID | Description |
|---|---|
| CWE-862 | The product does not perform an authorization check when an actor attempts to access a resource or perform an action. |
Attack-Flow Graph
AI Powered Q&A
Can you explain this vulnerability to me?
This vulnerability exists in the Converter for Media – Optimize images | Convert WebP & AVIF plugin for WordPress, where a missing capability check on the /webp-converter/v1/regenerate-attachment REST endpoint allows authenticated users with Subscriber-level access or higher to delete optimized WebP and AVIF image variants for arbitrary attachments. Essentially, users who should have limited permissions can modify or delete optimized image data without proper authorization.
How can this vulnerability impact me? :
The vulnerability allows attackers with Subscriber-level access or above to delete optimized WebP/AVIF image variants for any attachments. This could lead to loss of optimized images, potentially degrading website performance and user experience due to missing optimized media files. Although it does not impact confidentiality or availability directly, it impacts the integrity of media data by allowing unauthorized modification.
What immediate steps should I take to mitigate this vulnerability?
To mitigate this vulnerability, immediately update the Converter for Media – Optimize images | Convert WebP & AVIF plugin for WordPress to a version later than 6.3.2, such as 6.4.0 or newer, which includes significant architectural and functional enhancements. Additionally, restrict Subscriber-level user permissions to prevent unauthorized access to the vulnerable REST endpoint `/webp-converter/v1/regenerate-attachment` until the update is applied. [2]