How severe is CVE-2025-31131?

CVE-2025-31131 has a CVSS 3.x base score of 8.6, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.

Is CVE-2025-31131 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 5% (92nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2025-31131?

CVE-2025-31131 affects Yeswiki. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2025-31131?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

Does CVE-2025-31131 have an EU (EUVD) identifier?

Yes. CVE-2025-31131 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-9333.

When was CVE-2025-31131 published?

CVE-2025-31131 was published on 2025-04-01 and last updated on 2026-06-17.

CVE-2025-31131

CVE-2025-31131 is a high-severity vulnerability in Yeswiki with a CVSS 3.x base score of 8.6. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-22.

Key facts

Severity: High (CVSS 3.x base score 8.6)
EPSS exploit prediction: 5% (92nd percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-9333
Weakness: CWE-22
Affected product: Yeswiki
Published: 2025-04-01
Last modified: 2026-06-17

Description

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.

Frequently asked questions

What is 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.
How severe is CVE-2025-31131?: CVE-2025-31131 has a CVSS 3.x base score of 8.6, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.
Is CVE-2025-31131 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 5% (92nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2025-31131?: CVE-2025-31131 affects Yeswiki. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2025-31131?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
Does CVE-2025-31131 have an EU (EUVD) identifier?: Yes. CVE-2025-31131 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-9333.
When was CVE-2025-31131 published?: CVE-2025-31131 was published on 2025-04-01 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:yeswiki:yeswiki:*:*:*:*:*:*:*:*

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