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

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.