What is CVE-2025-26593?

CVE-2025-26593 is a medium-severity vulnerability in Fasterthemes Fastbook, classified under Cross-Site Request Forgery (CSRF). CVSS score: 4.3/10. Published 2025-06-06.

How severe is CVE-2025-26593?

Medium severity. CVSS v3 base score is 4.3 out of 10.

CSRF in Fasterthemes Fastbook

CVE-2025-26593

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.

Vulnerability class: CSRF (Cross-Site Request Forgery)

EPSS: 0.002 (5.2th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 4.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L.

Affected products

Fasterthemes Fastbook — versions 0

Weakness classification (CWE)

CWE-352 — Cross-Site Request Forgery (CSRF)

References

audit@patchstack.com (vdb-entry)

Frequently asked questions

What is CVE-2025-26593?: CVE-2025-26593 is a medium-severity vulnerability in Fasterthemes Fastbook, classified under Cross-Site Request Forgery (CSRF). CVSS score: 4.3/10. Published 2025-06-06.
How severe is CVE-2025-26593?: Medium severity. CVSS v3 base score is 4.3 out of 10.