Read the docs
TI-2025-22392 Aliases CVE-2025-31131GHSA-w34w-fvp3-68xm

Path Traversal allowing arbitrary read of files in Yeswiki

Priority HIGH 76CWE-22Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
Low
Impact type
Information disclosure
Confidentiality · integrity · availability
High · None · None
Fix status
Fixed

Attack profile from CVSS 3.1 · CNA. Fix status from CNA and GitHub. Impact type from CWE-22 and the CVSS impact.

Summary

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.

Why it matters now

Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.05581 92nd percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix Fixed yeswiki (YesWiki): 4.5.2yeswiki/yeswiki (Packagist): 4.5.2

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
Poc
Automatable
Yes
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
YesWikiyeswikibefore 4.5.24.5.2Patch availableCNA
—yeswiki/yeswiki (Packagist)before 4.5.24.5.2Patch availableGHSA-w34w-fvp3-68xm
  • yeswiki VendorYesWiki Affected before 4.5.2 Fixed in 4.5.2 Patch available CNA
  • yeswiki/yeswiki (Packagist) Vendor— Affected before 4.5.2 Fixed in 4.5.2 Patch available GHSA-w34w-fvp3-68xm

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:yeswiki:yeswiki:*:*:*:*:*:*:*:*before 4.5.2VulnerableYesWiki
  • cpe:2.3:a:yeswiki:yeswiki:*:*:*:*:*:*:*:* Versions before 4.5.2 Vulnerable ·YesWiki

Remediation

  • Fix · CNA yeswiki (YesWiki) Fixed in 4.5.2
  • Fix · GHSA-w34w-fvp3-68xm yeswiki/yeswiki (Packagist) Fixed in 4.5.2 Advisory →

Timeline

  1. 2026-10-02 Threatist record created from CVE-2025-31131
  2. 2026-10-03 Alias added: GHSA-w34w-fvp3-68xm

References

Exploit 1

Patch 1

Advisory 1

Other 1

  • TI-2025-29089 YesWiki Vulnerable to Unauthenticated Site Backup Creation and Download CVSS 3.1CRITICAL 10.0
  • TI-2024-34399 Use of a Broken or Risky Cryptographic Algorithm in YesWiki CVSS 3.1CRITICAL 9.9
  • TI-2025-17784 YesWiki Vulnerable to Unauthenticated DOM Based XSS CVSS 3.1HIGH 7.6
  • TI-2025-29087 YesWiki Vulnerable to Stored XSS in Comments CVSS 4.0MEDIUM 6.3
  • TI-2025-29090 YesWiki Vulnerable to Unauthenticated Reflected Cross-site Scripting CVSS 3.1HIGH 7.6
  • TI-2025-17786 YesWiki vulnerable to authenticated arbitrary file deletion CVSS 3.1HIGH 7.1
See all 15 →

Sources

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