PT-2025-27084 · Faster Themes · Fasterthemes Fastbook

Hlog · Published 2025-06-27 · Updated 2025-07-02 · CVE-2025-25173

Positive Technologies (AI Summary)

CVSS v3.1

7.1

High

Base vector

AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:L

Name of the Vulnerable Software and Affected Versions: FasterThemes FastBook versions 1.1 and earlier

Description: The issue is related to Improper Neutralization of Input During Web Page Generation, also known as Cross-site Scripting, which allows Stored XSS. This means that an attacker can inject malicious scripts into the website, potentially affecting users who access the compromised page.

Recommendations: For FasterThemes FastBook versions 1.1 and earlier, update to a version that addresses the Stored XSS issue, as no specific fix is provided for these versions. At the moment, there is no information about a newer version that contains a fix for this vulnerability.

XSS

Weakness Enumeration

CWE-79

Related Identifiers

CVE-2025-25173

Affected Products

Fasterthemes Fastbook

References · 5

• https://nvd.nist.gov/vuln/detail/CVE-2025-25173 · Security Note
• https://twitter.com/CVEnew/status/1938575501142200602 · Twitter Post
• https://patchstack.com/database/Wordpress/Plugin/fastbook-responsive-appointment-booking-and-scheduling-system/vulnerability/wordpress-fastbook-1-1-cross-site-scripting-xss-vulnerability?_s_id=cve · Note
• https://patchstack.com/database/wordpress/plugin/fastbook-responsive-appointment-booking-and-scheduling-system/vulnerability/wordpress-fastbook-1-1-cross-site-scripting-xss-vulnerability?_s_id=cve · Note
• https://twitter.com/cracbot/status/1940364899344871586 · Twitter Post