Stored Cross-Site Scripting in Envira Gallery Plugin for WordPress
CVE-2026-3423

6.4MEDIUM

Key Information:

Vendor

WordPress
Status
Envira Gallery – Image Photo Gallery, Albums, Video Gallery, Slideshows & More
Vendor
CVE Published:
28 August 2026

What is CVE-2026-3423?

The Envira Gallery plugin for WordPress is susceptible to a Stored Cross-Site Scripting issue. This flaw arises from inadequate input sanitization and output escaping, specifically in the 'description' configuration field. Authenticated attackers with Author-level access can exploit this vulnerability to inject malicious web scripts. These scripts will execute whenever a user accesses a page displaying the gallery with an enabled description, posing serious risks to site security and user data.

Affected Version(s)

Envira Gallery – Image Photo Gallery, Albums, Video Gallery, Slideshows & More 0 <= 1.12.4

References

https://www.wordfence.com/threat-intel/vulnerabilities/id...
https://plugins.trac.wordpress.org/browser/envira-gallery...
https://plugins.trac.wordpress.org/browser/envira-gallery...

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

lord willmore
.