CVE-2026-81155
Received Received - Intake

Stored XSS in Robo Gallery WordPress Plugin

Publication date: 2026-10-11

Last updated on: 2026-10-11

Assigner: WPScan

Description
The Robo Gallery WordPress plugin before 5.2.6 does not sanitise and escape a gallery setting before outputting it on a frontend page, allowing users with the Author role and above to perform Stored Cross-Site Scripting attacks that execute in the browser of any visitor viewing a gallery, including administrators.

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Meta Information

Published
2026-10-11
Last Modified
2026-10-11
Generated
2026-10-11
AI Q&A
2026-10-11
EPSS Evaluated
N/A
NVD
CVE-2026-81155
EUVD
EUVD-2026-96749

Affected Vendors & Products

Showing 1 associated CPE
Vendor Product Version / Range
Unknown Robo Gallery 0

Helpful Resources

Exploitability

CWE
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KEV
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CWE ID Description
CWE-UNKNOWN

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Executive Summary

This vulnerability is a Stored Cross-Site Scripting (XSS) flaw in the Robo Gallery WordPress plugin versions before 5.2.6. It occurs because the plugin does not properly sanitize and escape a gallery setting before displaying it on a frontend page. This allows users with the Author role or higher to inject malicious scripts that execute in the browsers of anyone viewing the gallery, including administrators.

Detection Guidance

Check the installed version of the Robo Gallery plugin in WordPress. If it is below 5.2.6, the system is vulnerable. Use commands like 'wp plugin list' in WP-CLI or inspect the plugin files in /wp-content/plugins/robo-gallery/ for version details.

Impact Analysis

An attacker with Author role or higher could inject malicious scripts into gallery settings. When other users view the gallery, these scripts execute in their browsers, potentially stealing session cookies, redirecting to phishing sites, or performing actions on behalf of the user. Administrators are also affected, risking full account compromise.

Compliance Impact

This vulnerability could lead to unauthorized access to user data, violating GDPR's data protection requirements and HIPAA's safeguards for protected health information. A successful exploit may result in data breaches, triggering compliance violations, legal penalties, and reputational damage for organizations.

Mitigation Strategies

Update the Robo Gallery plugin to version 5.2.6 or later immediately. If updating is not possible, consider disabling the plugin until an update is available to prevent exploitation.

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