CVE-2026-81156: CWE-79 Cross-Site Scripting (XSS) in Robo Gallery
Description
The Robo Gallery WordPress plugin before 5.2.6 does not sanitise and escape some of its gallery settings before outputting them on the gallery edit screen, allowing users with the Contributor role and above to store JavaScript that executes in the context of an administrator who opens the gallery for editing.
CVSS v3.1
Score 6.8medium
Affected software
Robo Gallery
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
The Robo Gallery WordPress plugin versions prior to 5.2.6 do not sanitize and escape certain gallery settings before rendering them on the gallery edit screen. This enables users with Contributor or higher privileges to store malicious JavaScript payloads that execute when an administrator accesses the gallery edit interface, leading to a stored Cross-Site Scripting (CWE-79) vulnerability.
Potential Impact
An attacker with Contributor role or above can inject JavaScript that executes in the administrator's browser context when the gallery edit screen is viewed. This could lead to session hijacking, privilege escalation, or other malicious actions performed with administrator privileges. However, exploitation requires the attacker to have at least Contributor access and the administrator to open the affected gallery for editing.
Mitigation Recommendations
Upgrade the Robo Gallery plugin to version 5.2.6 or later, where this vulnerability is fixed. No other mitigation guidance is provided. Patch status is not explicitly confirmed in the input, but the affected versions are clearly stated as before 5.2.6, implying that 5.2.6 contains the fix.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- WPScan
- Date Reserved
- 2026-08-26T16:18:24.473Z
- State
- PUBLISHED
Threat ID: 6acb2ddf2cdf04f656b78cf1
Added to database: 10/11/2026, 06:34:07 UTC
Last enriched: 10/11/2026, 07:04:16 UTC
Last updated: 10/11/2026, 21:33:40 UTC
Views: 16
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