PT-2025-31724 · WordPress · Shortpixel Adaptive Images

Jonas Benjamin Friedli · Published 2025-08-02 · Updated 2025-08-02 · CVE-2025-6626

Positive Technologies (AI Summary)

CVSS v3.1

4.4

Medium

Base vector

AV:N/AC:H/PR:H/UI:N/S:C/C:L/I:L/A:N

Name of the Vulnerable Software and Affected Versions ShortPixel Adaptive Images – WebP, AVIF, CDN, Image Optimization plugin for WordPress versions through 3.10.3

Description The ShortPixel Adaptive Images – WebP, AVIF, CDN, Image Optimization plugin for WordPress is susceptible to Stored Cross-Site Scripting via the API URL Setting due to insufficient input sanitization and output escaping. This allows authenticated attackers with administrator-level access to inject arbitrary web scripts into pages, which will execute when a user accesses the injected page. This issue only affects multi-site installations and installations where unfiltered html has been disabled.

Recommendations Update ShortPixel Adaptive Images – WebP, AVIF, CDN, Image Optimization plugin for WordPress to a version later than 3.10.3.

Fix

XSS

Weakness Enumeration

CWE-79

Related Identifiers

CVE-2025-6626

Affected Products

Shortpixel Adaptive Images

References · 8

• https://nvd.nist.gov/vuln/detail/CVE-2025-6626 · Security Note
• https://t.me/cveNotify/130663 · Telegram Post
• https://twitter.com/CVEnew/status/1951546861556473967 · Twitter Post
• 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= · Note
• https://plugins.trac.wordpress.org/browser/shortpixel-adaptive-images/tags/3.10.4/includes/front/vanilla-js-loader.class.php#L48 · Note
• https://twitter.com/VulmonFeeds/status/1951567605086433791 · Twitter Post
• https://t.me/CVEtracker/29004 · Telegram Post
• https://wordfence.com/threat-intel/vulnerabilities/id/56ab6429-4b1b-461a-9fcd-b4be84985118?source=cve · Note