Read the docs
TI-2025-40487 Aliases CVE-2025-65858GHSA-pc5g-j9j7-p4q3

A Stored Cross-Site Scripting (XSS) vulnerability in Calibre-Web v0.6.25 allows attackers…

Priority LOW 16CWE-79Published · Updated

Key facts

Attack vector
Network
Privileges required
High
User interaction
Required
Attack complexity
Low
Impact type
Cross-site scripting
Confidentiality · integrity · availability
Low · Low · None
Fix status
No fix listed

Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA and GitHub. Impact type from CWE-79.

Summary

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.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00221 12th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
No
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
——all versions—No fix listedCNA
—calibreweb (PyPI)up to 0.6.25—No fix listedGHSA-pc5g-j9j7-p4q3
  • — Vendor— Affected all versions Fixed in — No fix listed CNA
  • calibreweb (PyPI) Vendor— Affected up to 0.6.25 Fixed in — No fix listed GHSA-pc5g-j9j7-p4q3

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:janeczku:calibre-web:0.6.25:*:*:*:*:*:*:*0.6.25Vulnerablejaneczku
  • cpe:2.3:a:janeczku:calibre-web:0.6.25:*:*:*:*:*:*:* Versions 0.6.25 Vulnerable ·janeczku

Remediation

No fixed version listed by the sources yet.

Vendor assessments

Red Hat

Red Hat's page for this CVE →

Not affected: 1 product
  • Red Hat

Timeline

  1. 2026-10-02 Threatist record created from CVE-2025-65858
  2. 2026-10-03 Alias added: GHSA-pc5g-j9j7-p4q3

References

Exploit 1

Advisory 1

Other 1

  • TI-2023-01981 Weak Password Requirements in janeczku/calibre-web CVSS 3.1CRITICAL 9.8
  • TI-2022-02333 Improper Restriction of Excessive Authentication Attempts in janeczku/calibre-web CVSS 3.1CRITICAL 9.8
  • TI-2021-07971 Calibre-web - Admin Account Takeover via Cross-Site Request Forgery (CSRF) CVSS 3.1HIGH 8.8
  • TI-2025-06745 Calibre Web 0.6.24 & Autocaliweb 0.7.0 - Blind C CVSS 4.0MEDIUM 5.9
  • TI-2021-02885 Cross-site Scripting (XSS) in janeczku/calibre-web CVSS 3.1MEDIUM 6.1
  • TI-2024-26178 In janeczku Calibre-Web 0.6.0 to 0.6.21, the edit_book_comments function is vulnerable to… CVSS 3.1MEDIUM 5.4
See all 23 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences