CVE-2026-81155: Unknown Robo Gallery

Medium severity, CVSS 6.8. EPSS: 0.3% chance of exploitation in the next 30 days.

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.

Affected products

• Unknown Robo Gallery: before 5.2.6 (fixed in 5.2.6)

Published 2026-10-11. Last modified 2026-10-13.