CVE-2026-6978 JiZhiCMS addcache.html htmlspecialchars_decode sql injection
Remote attackers can exploit SQL injection in JiZhiCMS via the addcache.html file to read or modify database contents.
- Exploited in the wild
- Not known
- Login needed
- An administrator
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-6978?
CVE-2026-6978 is a medium-severity SQL injection vulnerability in JiZhiCMS, published on 25 Apr 2026. An attacker needs administrator access to exploit it, with no action from the victim.
Official 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.
Which versions are affected by CVE-2026-6978?
How do I fix CVE-2026-6978?
No fix has been published for CVE-2026-6978 yet. Limit exposure of the affected software until one is available.
Use parameterised queries everywhere and never build SQL by joining strings. Upgrade affected software first; a web application firewall only buys time. More about SQL injection.
Is CVE-2026-6978 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-6978 exists.
Sources
Also known as GHSA-g3h6-hj4r-j8f7.