What is the CVSS score of CVE-2025-31131?

CVE-2025-31131 has a CVSS 3.1 base score of 8.6 (High). CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:N. EPSS exploitation probability: 8.2%.

Which versions of Yeswiki are affected by CVE-2025-31131?

Organizations using YesWiki face significant risk from CVE-2025-31131, a path traversal vulnerability rated CVSS 8.6.. A patch is available.

Is there a public PoC exploit available for CVE-2025-31131?

Yes, a public proof-of-concept exploit is available for CVE-2025-31131. Prioritise patching immediately. EPSS: 8.2%.

How to fix or mitigate CVE-2025-31131?

Within 7 days: Identify all affected systems and apply vendor patches promptly. Review file handling controls and restrict upload directories.

Yeswiki CVE-2025-31131

HIGH

Path Traversal (CWE-22)

2025-04-01 security-advisories@github.com

Path Traversal Yeswiki

8.6

CVSS 3.1 · GitHub Advisory

Severity by source

GitHub Advisory PRIMARY

8.6 HIGH

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

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Changed

Confidentiality

High

Integrity

None

Availability

None

Lifecycle Timeline

Analysis Generated

Mar 28, 2026 - 18:34 vuln.today

Patch released

Mar 28, 2026 - 18:34 nvd

Patch available

PoC Detected

May 09, 2025 - 14:04 vuln.today

Public exploit code

CVE Published

Apr 01, 2025 - 15:16 nvd

HIGH 8.6

DescriptionGitHub Advisory

YesWiki is a wiki system written in PHP. The squelette parameter is vulnerable to path traversal attacks, enabling read access to arbitrary files on the server. This vulnerability is fixed in 4.5.2.

AnalysisAI

YesWiki is a wiki system written in PHP. Rated high severity (CVSS 8.6), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Public exploit code available.

Technical ContextAI

This vulnerability is classified as Path Traversal (CWE-22), which allows attackers to access files and directories outside the intended path. YesWiki is a wiki system written in PHP. The squelette parameter is vulnerable to path traversal attacks, enabling read access to arbitrary files on the server. This vulnerability is fixed in 4.5.2. Affected products include: Yeswiki.

RemediationAI

A vendor patch is available. Apply the latest security update as soon as possible. Validate and canonicalize file paths. Use chroot or sandboxing. Reject input containing path separators or '../' sequences.