A vulnerability classified as critical was found in JiZhiCMS up to 2.5.6. The impacted element is the function htmlspecialchars_decode of the file /index.php/admins/Sys/addcache.html. The manipulation of the argument sqls results in sql injection.

This vulnerability is known as CVE-2026-6978. It is possible to launch the attack remotely. Furthermore, an exploit is available.

The vendor was contacted early about this disclosure but did not respond in any way.