critical9.4
CVE-2026-52777
YesWiki Vulnerable to Authenticated PHP Object Injection in BazarImportAction via unserialize
Impact
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.
Affected packages
| Ecosystem | Package | Affected | Fixed in |
|---|---|---|---|
| composer | yeswiki/yeswiki | < 4.6.6 | 4.6.6 |