CVE-2026-81153
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 some of its image settings before outputting them in a gallery 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 the gallery, including administrators, even where the unfiltered_html capability is disallowed such as on multisite.

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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-2026-81153
EUVD
EUVD-2026-96747

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 before version 5.2.6. It occurs because the plugin does not properly sanitize or escape certain image settings before displaying them in a gallery page. This allows users with Author role or higher to inject malicious scripts that execute when others view the gallery, even if unfiltered_html capability is restricted.

Detection Guidance

To detect this vulnerability, check the installed version of the Robo Gallery WordPress plugin. If it is below 5.2.6, the system is vulnerable. Use commands like 'wp plugin list' in WordPress CLI or inspect the plugin files directly.

Impact Analysis

An attacker with Author role or higher could inject malicious scripts into gallery pages. When other users, including administrators, view these pages, the scripts execute in their browsers. This could lead to theft of session cookies, account takeover, or unauthorized actions on the site. The impact includes potential compromise of user data and website control.

Compliance Impact

This vulnerability could lead to unauthorized access to user data, which may violate GDPR's data protection requirements or HIPAA's safeguards for protected health information. A successful exploit could result in data breaches, triggering compliance violations, regulatory fines, and reputational damage for organizations handling sensitive data.

Mitigation Strategies

Immediately update the Robo Gallery plugin to version 5.2.6 or later. Remove or restrict access for users with Author role or higher if updates are not possible. Monitor for suspicious activity in gallery pages.

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