CVE-2026-88782 Kubio AI Page Builder < 2.9.3 - Contributor+ Stored XSS via Image Gallery Item URL Attribute

Medium 6.8 Published Updated

Contributors can inject malicious scripts via image URLs, leading to code execution in admin browsers and potential account takeover.

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-2026-88782?

CVE-2026-88782 is a medium-severity cross-site scripting vulnerability in Unknown Kubio AI Page Builder, published on 3 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 Kubio AI Page Builder WordPress plugin before 2.9.3 does not validate the URI scheme of a user-supplied value before outputting it as a link target, allowing users with the contributor role and above to store a payload which executes in the browser of anyone who follows the link, including an administrator previewing the unpublished submission.

Weakness: CWE-79

Which versions are affected by CVE-2026-88782?

How do I fix CVE-2026-88782?

No fix has been published for CVE-2026-88782 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-2026-88782 being exploited?

There is no known exploitation of CVE-2026-88782 in the wild and no public exploit code.

Sources

Also known as GHSA-gf46-mg37-6fp9.

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