CVE-2025-26593 WordPress FastBook plugin <= 1.1 - Cross Site Request Forgery (CSRF) Vulnerability
Attackers can trick authenticated users into performing unwanted actions in the FastBook WordPress plugin, potentially modifying appointment data.
- 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-2025-26593?
CVE-2025-26593 is a medium-severity vulnerability in FasterThemes FastBook, published on 6 Jun 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
Cross-Site Request Forgery (CSRF) vulnerability in FasterThemes FastBook fastbook-responsive-appointment-booking-and-scheduling-system allows Cross Site Request Forgery.This issue affects FastBook: from n/a through <= 1.1.
Weakness: CWE-352
Which versions are affected by CVE-2025-26593?
How do I fix CVE-2025-26593?
No fix has been published for CVE-2025-26593 yet. Limit exposure of the affected software until one is available.
Is CVE-2025-26593 being exploited?
There is no known exploitation of CVE-2025-26593 in the wild and no public exploit code.
Sources
Also known as GHSA-r263-rp96-99fp.