CVE-2025-67539 WordPress Select Core plugin < 2.6 - Cross Site Scripting (XSS) vulnerability
An attacker can execute arbitrary scripts in the victim's browser via DOM-based XSS in the Select Core WordPress plugin.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2025-67539?
CVE-2025-67539 is a medium-severity cross-site scripting vulnerability in Select-Themes Select Core, published on 9 Dec 2025. Any signed-in user can exploit it over the network, and only if a user opens a file or follows a link.
Official description
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in Select-Themes Select Core select-core allows DOM-Based XSS.This issue affects Select Core: from n/a through < 2.6.
Weakness: CWE-79
Which versions are affected by CVE-2025-67539?
How do I fix CVE-2025-67539?
No fix has been published for CVE-2025-67539 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-2025-67539 being exploited?
There is no known exploitation of CVE-2025-67539 in the wild and no public exploit code.
Sources
Also known as GHSA-98c9-f4v9-v6qr.