CVE-2026-81154 Robo Gallery < 5.2.6 - Author+ Stored XSS via Image Alt Text
Authors can inject malicious scripts via image alt text in Robo Gallery, leading to code execution in administrators' browsers.
- 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-2026-81154?
CVE-2026-81154 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 image alt text before outputting it in one of its gallery layouts, allowing users with the Author role and above to perform Stored Cross-Site Scripting attacks that execute in the browser of any user viewing the affected gallery, including administrators.
Weakness: CWE-79
Which versions are affected by CVE-2026-81154?
How do I fix CVE-2026-81154?
No fix has been published for CVE-2026-81154 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-2026-81154 being exploited?
There is no known exploitation of CVE-2026-81154 in the wild and no public exploit code.
Sources
Also known as GHSA-5qfx-vjr9-8vhf.