CVE-2026-4508 PbootCMS Member Login MemberController.php checkUsername sql injection
Remote attackers can exploit SQL injection in PbootCMS member login to read or modify database contents.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-4508?
CVE-2026-4508 is a medium-severity SQL injection vulnerability in PbootCMS, published on 20 Mar 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
A vulnerability was identified in PbootCMS up to 3.2.12. The impacted element is the function checkUsername of the file apps/home/controller/MemberController.php of the component Member Login. The manipulation of the argument Username leads to sql injection. The attack may be initiated remotely. The exploit is publicly available and might be used.
Which versions are affected by CVE-2026-4508?
How do I fix CVE-2026-4508?
No fix has been published for CVE-2026-4508 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-2026-4508 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-4508 exists.
Sources
Also known as GHSA-82q7-h5rq-54h5.