CVE-2026-104653: CWE-79 Cross-Site Scripting (XSS) in Envira Gallery
Description
The Envira Gallery WordPress plugin before 1.16.1 does not sanitise or escape user-supplied gallery display configuration values before storing them and outputting them in an image tag attribute, allowing users with the Author role and above to inject arbitrary web scripts that execute when any visitor, including an administrator, views a page containing the affected gallery.
CVSS v3.1
Score 6.8medium
Affected software
Envira Gallery
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
CVE-2026-104653 is a cross-site scripting (CWE-79) vulnerability in the Envira Gallery WordPress plugin prior to version 1.16.1. The vulnerability occurs due to improper sanitization and escaping of user-supplied gallery display configuration values. This allows users with Author role or above to inject malicious scripts into image tag attributes, which execute when the gallery page is viewed by any user, including administrators.
Potential Impact
Successful exploitation allows users with Author or higher privileges to inject and execute arbitrary JavaScript in the context of the site. This can lead to session hijacking, privilege escalation, or other malicious actions when an administrator or other users view the affected gallery page.
Mitigation Recommendations
Upgrade the Envira Gallery plugin to version 1.16.1 or later, where this vulnerability has been fixed. No other mitigation is indicated by the vendor advisory.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- WPScan
- Date Reserved
- 2026-10-02T06:49:03.594Z
- State
- PUBLISHED
Threat ID: 6ac5e7d82cdf04f65621e1ef
Added to database: 10/07/2026, 06:34:00 UTC
Last enriched: 10/07/2026, 06:48:51 UTC
Last updated: 10/07/2026, 18:56:12 UTC
Views: 10
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