CVE-2026-104646 Image Photo Gallery Final Tiles Grid < 3.6.14 - Contributor+ Stored XSS via Gallery Shortcode Attributes

Medium 6.8 Published Updated

Contributors can inject JavaScript via gallery shortcode attributes, leading to code execution in admin sessions.

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-2026-104646?

CVE-2026-104646 is a medium-severity cross-site scripting vulnerability in Unknown Image Photo Gallery Final Tiles Grid, published on 8 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 3.6.14 does not sanitise several gallery configuration values that can be overridden through its gallery shortcode before printing them into an inline script block, allowing users with contributor-level access and above to inject arbitrary JavaScript that executes in the session of anyone viewing the post, including an administrator previewing a pending submission. No gallery ownership is required: any gallery that already exists on the site can be referenced.

Weakness: CWE-79

Which versions are affected by CVE-2026-104646?

How do I fix CVE-2026-104646?

No fix has been published for CVE-2026-104646 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-2026-104646 being exploited?

There is no known exploitation of CVE-2026-104646 in the wild and no public exploit code.

Sources

Also known as GHSA-7rv5-f755-h3hw.

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