CVE-2026-5191 Cross-site scripting in Tiled Gallery Carousel Without JetPack
Authenticated contributors can inject arbitrary scripts via the data-image-title parameter, leading to stored XSS execution for other users.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2026-5191?
CVE-2026-5191 is a medium-severity cross-site scripting vulnerability in raja3c Tiled Gallery Carousel Without JetPack, published on 2 Jun 2026. Any signed-in user can exploit it over the network, and only if a user opens a file or follows a link.
Official description
The Tiled Gallery Carousel Without JetPack plugin for WordPress is vulnerable to stored cross-site scripting via the 'data-image-title' parameter in all versions up to, and including, 3.1 due to insufficient input sanitization and output escaping. 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-2026-5191?
How do I fix CVE-2026-5191?
No fix has been published for CVE-2026-5191 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-2026-5191 being exploited?
There is no known exploitation of CVE-2026-5191 in the wild and no public exploit code.
Sources
Also known as GHSA-4fmw-78mr-6v5j.