CVE-2025-23540 WordPress WP Front-end login and register plugin <= 2.1.0 - Reflected Cross Site Scripting (XSS) vulnerability
Attackers can execute arbitrary scripts in victim browsers via reflected XSS in the WP Front-end login and register 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-2025-23540?
CVE-2025-23540 is a high-severity cross-site scripting vulnerability in Mohsin Khan WP Front-end login and register, published on 23 Jan 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 Mohsin Khan WP Front-end login and register wp-front-end-login-and-register allows Reflected XSS.This issue affects WP Front-end login and register: from n/a through <= 2.1.0.
Weakness: CWE-79
Which versions are affected by CVE-2025-23540?
How do I fix CVE-2025-23540?
No fix has been published for CVE-2025-23540 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-2025-23540 being exploited?
There is no known exploitation of CVE-2025-23540 in the wild and no public exploit code.
Sources
Also known as GHSA-5gpr-p9f6-8p74.