CVE-2026-66479 WordPress WPComplete plugin <= 2.9.5.6 - CSRF to Stored XSS vulnerability
Attackers can exploit CSRF to inject stored XSS payloads, allowing script execution in victim browsers via the WPComplete plugin.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2026-66479?
CVE-2026-66479 is a high-severity vulnerability in Liquid Web / StellarWP WPComplete, published on 8 Oct 2026. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.
Official description
Cross-Site Request Forgery (CSRF) vulnerability in Liquid Web / StellarWP WPComplete wpcomplete allows Stored XSS.This issue affects WPComplete: from n/a through 2.9.5.6.
Weakness: CWE-352
Which versions are affected by CVE-2026-66479?
How do I fix CVE-2026-66479?
No fix has been published for CVE-2026-66479 yet. Limit exposure of the affected software until one is available.
Is CVE-2026-66479 being exploited?
There is no known exploitation of CVE-2026-66479 in the wild and no public exploit code.
Sources
Also known as GHSA-vhxj-w8cf-84xv.