CVE-2026-81155

MEDIUMCVSS 6.8/10EPSS 0.29%

Last modified

CVE-2026-81155 is a medium-severity vulnerability rated 6.8/10 on the CVSS scale. 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.. EPSS estimates a 0.29% chance of exploitation in the next 30 days.

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.

Metrics

EPSS Probability
0.29%

20.0th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Source: CNA advisory (CVE.org). NVD analysis pending.

VendorProductVersions
UnknownRobo Gallery< 5.2.6

References

Timeline

Published
Last Modified
Status
Deferred

Frequently Asked Questions

What is CVE-2026-81155?
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.
How severe is CVE-2026-81155?
CVE-2026-81155 has a CVSS score of 6.8/10 (MEDIUM severity). The EPSS model estimates a 0.29% probability of exploitation in the next 30 days.
How do I fix CVE-2026-81155?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

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Source: NVD / NIST