CVE-2025-49909 WordPress Penci Bookmark & Follow plugin < 2.4 - Cross Site Scripting (XSS) vulnerability
Reflected XSS in Penci Bookmark & Follow plugin allows attackers to inject scripts into web pages viewed by other users.
- 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-2025-49909?
CVE-2025-49909 is a high-severity cross-site scripting vulnerability in PenciDesign Penci Bookmark & Follow, published on 6 Nov 2025. 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
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in PenciDesign Penci Bookmark & Follow penci-bookmark-follow allows Reflected XSS.This issue affects Penci Bookmark & Follow: from n/a through < 2.4.
Weakness: CWE-79
Which versions are affected by CVE-2025-49909?
How do I fix CVE-2025-49909?
No fix has been published for CVE-2025-49909 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-2025-49909 being exploited?
There is no known exploitation of CVE-2025-49909 in the wild and no public exploit code.
Sources
Also known as GHSA-66fq-7q7x-4qmp.