CVE-2025-46348

yeswiki vulnerability - yeswiki

Critical CVSS Score: 10 Published: 2025-04-29

Description

YesWiki is a wiki system written in PHP. Prior to version 4.5.4, the request to commence a site backup can be performed and downloaded without authentication. The archives are created with a predictable filename, so a malicious user could create and download an archive without being authenticated. This could result in a malicious attacker making numerous requests to create archives and fill up the file system, or by downloading the archive which contains sensitive site information. This issue has been patched in version 4.5.4.

Affected Systems

Vendor yeswiki
Product yeswiki
Affected Versions before 4.5.4
CWE ID CWE-287

Mitigation

Apply the latest security patches from the vendor, restrict network exposure where applicable, and monitor for exploitation attempts.

Fix Instructions

Refer to the vendor advisory and apply the latest security updates. See references for detailed patching instructions.

References

Risk Assessment

CVSS: 10/10

Exploit Available Unknown
Patch Available Yes

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