CVE-2025-65858

lowpriority · track · 10EPSS 0.002 · 11 %ileexploit · PoCEUUS

grimoire priorityP1 · Urgent

Exploitable?

Public exploit

1 exploit · PoC

Likely / severe?

0.21% (11th) EPSS

CVSS 3.5 · low

Is it mine?

3 products

Check your exposure

Who says so?

4 sources

cnnvd · enisa_euvd · osv · nvd

EPSS · scored 2026-10-27

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.

cvss

Technical severity, 0–10. One row per scoring source.

3.5

010

base score 0–10 · higher = more severe · hover a vector to decode

v3.13.5lowCVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:U/C:L/I:L/A:Nsecondary · ENISA EU

v3.13.5lowCVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:U/C:L/I:L/A:Nsecondaryexploitability 0.9 · impact 2.5

v3.13.3lowCVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:U/C:L/I:L/A:N/E:Psecondary · CVSS-BT (t0sche)

ssvc

A stakeholder decision — act, attend, or track — from exploitation and impact.

Trackcoordinatorcisa_ssvcUS

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-79USCWE-79US

exploits (1)

Public proof-of-concept and weaponised exploit code.

KhanhDuy155/calibre-web-CVE-2025-65858KhanhDuy155/calibre-web-CVE-2025-65858PoC · poc_in_github

affected products (3)

Products and version ranges known to be affected.

n/a n/a≤ n/aenisa_euvdEU
janeczku calibre-web= 0.6.25nvdUScpe:2.3:a:janeczku:calibre-web:*:*:*:*:*:*:*:*
PyPI calibreweb≤ 0.6.25osvUSpkg:pypi/calibreweb

advisories (2)

Vendor and ecosystem advisories describing this.

GHSA-pc5g-j9j7-p4q3Calibre-Web Has a Stored Cross-Site Scripting (XSS) Vulnerability via the 'username' Field During User Creation2025-12-02ghsa · osvUS
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.
PYSEC-2026-1234Calibre-Web Has a Stored Cross-Site Scripting (XSS) Vulnerability via the 'username' Field During User Creation2026-07-07vendor · osvUS
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.

also known as (6)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd osv nvd NVD CVE.org MITRE

published 2025-12-02modified 2026-06-17

references (3)

External citations — patches, advisories, analysis.

scry

Attackers weaponise vulnerabilities like this against internet-exposed services. See what is exposed on your perimeter with a free passive scan.

Free scan