CVE-2025-46347

Description

YesWiki is a wiki system written in PHP. Prior to version 4.5.4, YesWiki vulnerable to remote code execution. An arbitrary file write can be used to write a file with a PHP extension, which then can be browsed to in order to execute arbitrary code on the server, resulting in a full compromise of the server. This could potentially be performed unwittingly by a user. 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-116

Mitigation

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

Fix Instructions

References

• https://github.com/YesWiki/yeswiki/commit/8fe5275a78dc7e0f9c...
• https://github.com/YesWiki/yeswiki/security/advisories/GHSA-...
• https://github.com/YesWiki/yeswiki/security/advisories/GHSA-...