Stored Cross-Site Scripting Vulnerability in WordPress Plugins
CVE-2025-2537

6.4MEDIUM

Key Information:

Vendor

WordPress
Status
Youtube Embed, Playlist And Popup By WPdevart
Auto Thickbox
Photo Gallery, Sliders, Proofing And Themes – Nextgen Gallery
Vendor
CVE Published:
3 July 2025

What is CVE-2025-2537?

Multiple WordPress plugins are susceptible to Stored Cross-Site Scripting due to failures in adequate input sanitization and output escaping on user-provided attributes. The vulnerability arises from the bundled ThickBox JavaScript library, version 3.1. Authenticated attackers with contributor-level access and above can exploit this weakness to inject arbitrary scripts that execute on users’ browsers when they visit affected pages.

Affected Version(s)

Auto Thickbox * <= 3.5

Photo Gallery, Sliders, Proofing and Themes – NextGEN Gallery * <= 3.59.11

YouTube Embed, Playlist and Popup by WpDevArt * <= 2.6.7

References

https://www.wordfence.com/threat-intel/vulnerabilities/id...
https://plugins.trac.wordpress.org/browser/nextgen-galler...
https://plugins.trac.wordpress.org/browser/youtube-video-...

CVSS V3.1

Score:
6.4
Severity:
MEDIUM
Confidentiality:
Low
Integrity:
Low
Availability:
Low
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
None
Scope:
Changed

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

Craig Smith
.
CVE-2025-2537 : Stored Cross-Site Scripting Vulnerability in WordPress Plugins