CVE-2025-6626
ShortPixel Adaptive Images – WebP, AVIF, CDN, Image Optimization <= 3.10.4 - Authenticated (Administrator+) Stored Cross-Site Scripting via API URL
- State
- Published
- Severity
- 4.4 Medium
- Published
- Aug 2, 2025
- Updated
- Apr 8, 2026
- Reserved
- Jun 25, 2025
Description
The ShortPixel Adaptive Images – WebP, AVIF, CDN, Image Optimization plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the API URL Setting in all versions up to, and including, 3.10.3 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with administrator-level access, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page. This only affects multi-site installations and installations where unfiltered_html has been disabled.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 3.1 | 4.4 Medium | CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:C/C:L/I:L/A:N | Wordfence |
Weaknesses
- CWE-79 Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
Affected Products
| Product | Versions |
|---|---|
ShortPixel Adaptive Images – WebP, AVIF, CDN, Image Optimizationshortpixel |
|
References
- https://www.wordfence.com/threat-intel/vulnerabilities/id/56ab6429-4b1b-461a-9fcd-b4be84985118?source=cve
- https://plugins.trac.wordpress.org/browser/shortpixel-adaptive-images/tags/3.10.4/includes/front/vanilla-js-loader.class.php#L48
- https://plugins.trac.wordpress.org/changeset?sfp_email=&sfph_mail=&reponame=&old=3337681%40shortpixel-adaptive-images&new=3337681%40shortpixel-adaptive-images&sfp_email=&sfph_mail=
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