CVE-2026-81156 Robo Gallery < 5.2.6 - Contributor+ Stored XSS via Gallery Settings
Contributors can inject JavaScript into gallery settings, leading to admin account takeover when the gallery is edited.
- 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-2026-81156?
CVE-2026-81156 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 some of its gallery settings before outputting them on the gallery edit screen, allowing users with the Contributor role and above to store JavaScript that executes in the context of an administrator who opens the gallery for editing.
Weakness: CWE-79
Which versions are affected by CVE-2026-81156?
How do I fix CVE-2026-81156?
No fix has been published for CVE-2026-81156 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-2026-81156 being exploited?
There is no known exploitation of CVE-2026-81156 in the wild and no public exploit code.
Sources
Also known as GHSA-7pc8-9p6q-7m5m.