CVE-2026-107178 Image Photo Gallery Final Tiles Grid < 3.6.16 - Contributor+ Stored XSS via 'lightboxOptions' Parameter
Contributors can inject JavaScript via gallery settings, leading to code execution in viewers' 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-2026-107178?
CVE-2026-107178 is a medium-severity cross-site scripting vulnerability in Unknown Image Photo Gallery Final Tiles Grid, published on 14 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 Image Photo Gallery Final Tiles Grid WordPress plugin before 3.6.16 does not escape gallery lightbox configuration values before printing them into an inline script on every page that embeds the gallery, allowing users with contributor-level access and above to store JavaScript that executes in the browser of anyone who views the gallery, including administrators.
Weakness: CWE-79
Which versions are affected by CVE-2026-107178?
How do I fix CVE-2026-107178?
No fix has been published for CVE-2026-107178 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-2026-107178 being exploited?
There is no known exploitation of CVE-2026-107178 in the wild and no public exploit code.
Sources
Also known as GHSA-pgp8-c2p2-rr7f.