CVE-2025-26593

WordPress FastBook plugin <= 1.1 - Cross Site Request Forgery (CSRF) Vulnerability

4.3 Medium

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.

Attack profile

How easy it is to exploit

Attack vector: Network
Complexity: Low
Privileges needed: None
User interaction: Required

What an attacker can affect

Confidentiality: None
Integrity: None
Availability: Low

Exploit likelihood

0.18%Up 0.2 points since Jun 7, 2025

What each source reports

CVE List Score used 4.3

WordPress FastBook plugin <= 1.1 - Cross Site Request Forgery (CSRF) Vulnerability

Record: CVE-2025-26593
CVSS 3.1: 4.3 MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L
Weakness: CWE-352
Updated: 2026-11-02

EUVDEUVD-2025-17162 4.3

Record: EUVD-2025-17162
CVSS 3.1: 4.3 MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L
Updated: 2026-11-02

GitHub AdvisoriesGHSA-r263-rp96-99fp 4.3

Cross-Site Request Forgery (CSRF) vulnerability in FasterThemes FastBook allows Cross Site...

Cross-Site Request Forgery (CSRF) vulnerability in FasterThemes FastBook allows Cross Site Request Forgery. This issue affects FastBook: from n/a through 1.1.

Record: GHSA-r263-rp96-99fp
CVSS 3.1: 4.3 MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L
Weakness: CWE-352
Updated: 2026-11-02

NVD 4.3

Record: CVE-2025-26593
CVSS 3.1: 4.3 MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L
Weakness: CWE-352
Updated: 2026-11-02

Affected products

fasterthemes fastbook

History

History
Recorded	Changed	Sources
Nov 2, 2026	first indexed	CVE List, EUVD, GitHub Advisories, NVD

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2025-26593 is a medium vulnerability (CVSS 4.3) in Fasterthemes Fastbook, published June 6, 2025. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.18%, the 8th percentile. No source names a fixed version.