CVE-2025-65858

EPSS 0.03%

Calibre-Web Has a Stored Cross-Site Scripting (XSS) Vulnerability via the 'username' Field During User Creation

Published: 12/2/2025Modified: 12/2/2025

Description

A Stored Cross-Site Scripting (XSS) vulnerability in Calibre-Web v0.6.25 allows attackers to inject malicious JavaScript into the 'username' field during user creation. The payload is stored unsanitized and later executed when the /ajax/listusers endpoint is accessed.

Affected packages (1)

PyPI/calibrewebfrom 0, <= 0.6.25

CVSS scores

Source	Version	Severity	Vector
osv	CVSS 4.0	—	CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:P/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N/E:P

References (3)

ADVISORYhttps://nvd.nist.gov/vuln/detail/CVE-2025-65858
PATCHhttps://github.com/janeczku/calibre-web
WEBhttps://github.com/KhanhDuy155/calibre-web-CVE-2025-65858/blob/main/CVE-2025-65858.md