Stored Cross-Site Scripting Vulnerability in ShortPixel Adaptive Images Plugin for WordPress
CVE-2025-6626

4.4MEDIUM

Key Information:

Vendor

WordPress
Status
Shortpixel Adaptive Images – Webp, Avif, Cdn, Image Optimization
Vendor
CVE Published:
2 August 2025

What is CVE-2025-6626?

The ShortPixel Adaptive Images plugin for WordPress is vulnerable to a Stored Cross-Site Scripting flaw due to inadequate input sanitization and output escaping in the API URL Setting. This vulnerability affects all versions up to and including 3.10.3. Authenticated attackers with administrator-level access can exploit this weakness to inject malicious web scripts into pages. The harmful scripts will execute whenever a user accesses these compromised pages, posing a significant risk especially in multi-site installations or when unfiltered_html functionality is disabled.

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Affected Version(s)

ShortPixel Adaptive Images – WebP, AVIF, CDN, Image Optimization * <= 3.10.4

References

https://www.wordfence.com/threat-intel/vulnerabilities/id...
https://plugins.trac.wordpress.org/browser/shortpixel-ada...
https://plugins.trac.wordpress.org/changeset?sfp_email=&s...

CVSS V3.1

Score:
4.4
Severity:
MEDIUM
Confidentiality:
Low
Integrity:
Low
Availability:
Low
Attack Vector:
Network
Attack Complexity:
High
Privileges Required:
High
User Interaction:
None
Scope:
Changed

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

Jonas Benjamin Friedli
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