CVE-2026-81155 Robo Gallery < 5.2.6 - Author+ Stored XSS via Gallery Search Label
Authors can inject malicious scripts into gallery labels, leading to code execution in visitors' browsers, including administrators.
- Exploited in the wild
- Not known
- Login needed
- An administrator
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2026-81155?
CVE-2026-81155 is a medium-severity cross-site scripting vulnerability in Unknown Robo Gallery, published on 11 Oct 2026. An attacker needs administrator access to exploit it, and only if a user opens a file or follows a link.
Official 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.
Weakness: CWE-79
Which versions are affected by CVE-2026-81155?
How do I fix CVE-2026-81155?
No fix has been published for CVE-2026-81155 yet. Limit exposure of the affected software until one is available.
Escape output for the context it lands in and set a strict Content Security Policy. Upgrading the affected component is the real fix. More about Cross-site scripting.
Is CVE-2026-81155 being exploited?
There is no known exploitation of CVE-2026-81155 in the wild and no public exploit code.
Sources
Also known as GHSA-fpmp-8c24-ggh8.