CVE-2026-39629 WordPress Uminex theme <= 1.0.9 - Arbitrary Shortcode Execution vulnerability
An attacker can inject malicious scripts via arbitrary shortcode execution in the Uminex WordPress theme, potentially compromising user sessions.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-39629?
CVE-2026-39629 is a medium-severity cross-site scripting vulnerability in kutethemes Uminex, published on 8 Apr 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
Improper Neutralization of Script-Related HTML Tags in a Web Page (Basic XSS) vulnerability in kutethemes Uminex uminex allows Code Injection.This issue affects Uminex: from n/a through <= 1.0.9.
Weakness: CWE-80
Which versions are affected by CVE-2026-39629?
How do I fix CVE-2026-39629?
No fix has been published for CVE-2026-39629 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-2026-39629 being exploited?
There is no known exploitation of CVE-2026-39629 in the wild and no public exploit code.
Sources
Also known as GHSA-g496-v2vq-m798.