Path Traversal in Yeswiki

CVE-2025-31131

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.

Vulnerability class: Path Traversal (Directory Traversal)

EPSS: 0.054 (91.8th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.6 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:N.

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2025-31131?
CVE-2025-31131 is a high-severity vulnerability in Yeswiki, classified under Path Traversal. CVSS score: 8.6/10. Published 2025-04-01.
How severe is CVE-2025-31131?
High severity. CVSS v3 base score is 8.6 out of 10.
Is CVE-2025-31131 known to be exploited?
9 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.