What is the CVSS score of CVE-2025-55749?

CVE-2025-55749 has a CVSS 3.1 base score of 7.5 (High). CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N. EPSS exploitation probability: 1.8%.

Which versions of Xwiki are affected by CVE-2025-55749?

XWiki instances using the Jetty package (versions 16.7.0-16.10.10, 17.4.0-17.4.3, and 17.5.0-17.6.x) expose a critical file access vulnerability that could allow attackers to retrieve sensitive files…. A patch is available.

Is there a public PoC exploit available for CVE-2025-55749?

Yes, a public proof-of-concept exploit is available for CVE-2025-55749. Prioritise patching immediately. EPSS: 1.8%.

How to fix or mitigate CVE-2025-55749?

Within 24 hours: Identify all XWiki instances using XJetty and determine which are running affected versions (16.7.0-16.10.10, 17.4.0-17.4.3, 17.5.0-17.6.x). Within 7 days: Deploy available patches (16.10.11, 17.4.4, or 17.7.0) to all affected instances, prioritizing production environments. Within 30 days: Conduct credential audit of all systems running affected versions; rotate any credentials that may have been exposed; implement access logging and monitoring for the webapp/ directory.

Xwiki CVE-2025-55749

EUVD-2025-200075 HIGH

Improper Access Control (CWE-284)

2025-12-01 security-advisories@github.com

GHSA-53gx-j3p6-2rw9

Authentication Bypass Xwiki

7.5

CVSS 3.1 · GitHub Advisory

Severity by source

GitHub Advisory PRIMARY

7.5 HIGH

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

Primary rating from GitHub Advisory · only source for this CVE.

CVSS VectorGitHub Advisory

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

None

Availability

None

Lifecycle Timeline

EUVD ID Assigned

Mar 15, 2026 - 13:34 euvd

EUVD-2025-200075

Analysis Generated

Mar 15, 2026 - 13:34 vuln.today

Patch released

Mar 15, 2026 - 13:34 nvd

Patch available

CVE Published

Dec 01, 2025 - 21:15 nvd

HIGH 7.5

DescriptionGitHub Advisory

XWiki is an open-source wiki software platform. From 16.7.0 to 16.10.11, 17.4.4, or 17.7.0, in an instance which is using the XWiki Jetty package (XJetty), a context is exposed to statically access any file located in the webapp/ folder. It allows accessing files which might contains credentials. Fixed in 16.10.11, 17.4.4, and 17.7.0.

Analysis

Technical ContextAI

This vulnerability is classified as Improper Access Control (CWE-284).

RemediationAI

A vendor patch is available. Apply it as soon as possible and verify the fix.

CVE-2025-55749 vulnerability details – vuln.today

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Xwiki CVE-2025-55749

Severity by source

CVSS VectorGitHub Advisory

Lifecycle Timeline

DescriptionGitHub Advisory

Analysis

Technical ContextAI

RemediationAI

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External POC / Exploit Code