EUVD-2025-200242

| CVE-2025-65858 LOW
2025-12-02 [email protected] GHSA-pc5g-j9j7-p4q3
3.5
CVSS 3.1

CVSS Vector

CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:U/C:L/I:L/A:N
Attack Vector
Network
Attack Complexity
Low
Privileges Required
High
User Interaction
Required
Scope
Unchanged
Confidentiality
Low
Integrity
Low
Availability
None

Lifecycle Timeline

4
EUVD ID Assigned
Mar 15, 2026 - 14:04 euvd
EUVD-2025-200242
Analysis Generated
Mar 15, 2026 - 14:04 vuln.today
PoC Detected
Dec 23, 2025 - 13:08 vuln.today
Public exploit code
CVE Published
Dec 02, 2025 - 14:16 nvd
LOW 3.5

Tags

XSS Debian

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.

Analysis

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.

Technical Context

Cross-site scripting (XSS) allows injection of client-side scripts into web pages viewed by other users due to insufficient output encoding.

Affected Products

Affected products: Janeczku Calibre-Web 0.6.25

Remediation

Encode all user-supplied output contextually (HTML, JS, URL). Implement Content Security Policy (CSP) headers. Use HTTPOnly and Secure cookie flags.

Priority Score

38
Low Medium High Critical
KEV: 0
EPSS: +0.0
CVSS: +18
POC: +20

Vendor Status

Debian

Bug #982690
calibre-web
Release Status Fixed Version Urgency
open - -

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EUVD-2025-200242 vulnerability details – vuln.today
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