CVE-2026-52777

Description

YesWiki is a wiki system written in PHP. Prior to version 4.6.6, there is an authenticated PHP object injection vulnerability in BazarImportAction via unserialize. This issue has been patched in version 4.6.6.

References

• https://github.com/YesWiki/yeswiki/commit/8f70a8d6b8befa0e644d03c785701dbbc55b8fd0
• https://github.com/YesWiki/yeswiki/releases/tag/v4.6.6
• https://github.com/YesWiki/yeswiki/security/advisories/GHSA-9369-69wj-7m2f