PT-2025-48688 · Unknown · Calibre-Web

Khanhduy155 + 1 · Published 2025-12-02 · Updated 2025-12-23 · CVE-2025-65858

Positive Technologies (AI Summary)

CVSS v3.1

3.5

Low

Base vector

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

Name of the Vulnerable Software and Affected Versions Calibre-Web version 0.6.25

Description A Stored Cross-Site Scripting (XSS) issue exists in Calibre-Web. An attacker can inject malicious JavaScript into the username field during user creation. The injected payload is stored without proper sanitization and is executed when the /ajax/listusers endpoint is accessed.

Recommendations Update to a newer version that contains a fix for this vulnerability. As a temporary workaround, sanitize user input for the username field during user creation. Restrict access to the /ajax/listusers endpoint to minimize the risk of exploitation.

Exploit

Fix

XSS

Weakness Enumeration

CWE-79

Related Identifiers

CVE-2025-65858

GHSA-PC5G-J9J7-P4Q3

Affected Products

Calibre-Web

References · 6

• 🔥 https://github.com/KhanhDuy155/calibre-web-CVE-2025-65858/blob/main/CVE-2025-65858.md · Exploit
• https://osv.dev/vulnerability/CVE-2025-65858 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2025-65858 · Security Note
• https://twitter.com/VulmonFeeds/status/1996047345780244798 · Twitter Post
• https://twitter.com/CVEnew/status/1995860136917676187 · Twitter Post
• https://t.me/cveNotify/146649 · Telegram Post