CVE-2025-5092 Cross-site scripting in Gallery with thumbnail slider
Authenticated contributors can inject arbitrary scripts via the bundled lightGallery library in multiple WordPress plugins and themes.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2025-5092?
CVE-2025-5092 is a medium-severity cross-site scripting vulnerability in famethemes Gallery with thumbnail slider, published on 20 Nov 2025. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
Multiple plugins and/or themes for WordPress are vulnerable to Stored Cross-Site Scripting via the plugin's bundled lightGallery library (<= 2.8.3) in various versions due to insufficient input sanitization and output escaping on user supplied attributes. This makes it possible for authenticated attackers, with Contributor-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.
Weakness: CWE-79
Which versions are affected by CVE-2025-5092?
How do I fix CVE-2025-5092?
No fix has been published for CVE-2025-5092 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-2025-5092 being exploited?
There is no known exploitation of CVE-2025-5092 in the wild and no public exploit code.
Sources
Also known as GHSA-hvm5-wg42-9f5q.