How severe is CVE-2025-46349?

CVE-2025-46349 has a CVSS 3.x base score of 7.6, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is low, integrity high, and availability low.

Is CVE-2025-46349 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (44th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2025-46349?

CVE-2025-46349 affects Yeswiki. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2025-46349?

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-2025-46349 have an EU (EUVD) identifier?

Yes. CVE-2025-46349 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-12615.

When was CVE-2025-46349 published?

CVE-2025-46349 was published on 2025-04-29 and last updated on 2026-06-17.

CVE-2025-46349

CVE-2025-46349 is a high-severity vulnerability in Yeswiki with a CVSS 3.x base score of 7.6. 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-79.

Key facts

Severity: High (CVSS 3.x base score 7.6)
EPSS exploit prediction: 1% (44th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-12615
Weakness: CWE-79
Affected product: Yeswiki
Published: 2025-04-29
Last modified: 2026-06-17

Description

YesWiki is a wiki system written in PHP. Prior to version 4.5.4, YesWiki is vulnerable to reflected XSS in the file upload form. This vulnerability allows any malicious unauthenticated user to create a link that can be clicked on by the victim to perform arbitrary actions. This issue has been patched in version 4.5.4.

Frequently asked questions

What is CVE-2025-46349?: YesWiki is a wiki system written in PHP. Prior to version 4.5.4, YesWiki is vulnerable to reflected XSS in the file upload form. This vulnerability allows any malicious unauthenticated user to create a link that can be clicked on by the victim to perform arbitrary actions. This issue has been patched in version 4.5.4.
How severe is CVE-2025-46349?: CVE-2025-46349 has a CVSS 3.x base score of 7.6, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is low, integrity high, and availability low.
Is CVE-2025-46349 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (44th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2025-46349?: CVE-2025-46349 affects Yeswiki. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2025-46349?: 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-2025-46349 have an EU (EUVD) identifier?: Yes. CVE-2025-46349 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-12615.
When was CVE-2025-46349 published?: CVE-2025-46349 was published on 2025-04-29 and last updated on 2026-06-17.

References

Affected products (1)

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

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