CVE-2025-62761 Cross-site scripting in Knowledge Base documentation & wiki plugin – BasePress
Attackers can inject malicious scripts into the BasePress WordPress plugin, potentially compromising user sessions and site integrity.
- 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-2025-62761?
CVE-2025-62761 is a medium-severity cross-site scripting vulnerability in Knowledge Base documentation & wiki plugin – BasePress, published on 31 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 BasePress Knowledge Base documentation & wiki plugin – BasePress basepress allows Stored XSS.This issue affects Knowledge Base documentation & wiki plugin – BasePress: from n/a through <= 2.17.0.1.
Weakness: CWE-79
Which versions are affected by CVE-2025-62761?
How do I fix CVE-2025-62761?
No fix has been published for CVE-2025-62761 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-2025-62761 being exploited?
There is no known exploitation of CVE-2025-62761 in the wild and no public exploit code.
Sources
Also known as GHSA-j42c-hx2r-xfgj.