CVE-2026-6978: JiZhiCMS addcache.html htmlspecialchars_decode sql injection

Severity: medium (CVSS 4.7 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.3% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2026-04-25 · updated 2026-06-17
Weakness: CWE-74

Description

A vulnerability was detected 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. It is possible to launch the attack remotely. The exploit is now public and may be used. The vendor was contacted early about this disclosure but did not respond in any way.

Affected products

JIZHICMS: 2.5.0, 2.5.1, 2.5.2, 2.5.3, 2.5.4, 2.5.5 (+1)

References

https://github.com/qingyun985/Cyber-Security/issues/4
https://vuldb.com/submit/795348
https://vuldb.com/vuln/359521
https://vuldb.com/vuln/359521/cti

Get alerted when CVE-2026-6978 or the next vulnerability affects your stack