CVE-2026-11590 WP Support Plus Responsive Ticket System <= 9.1.2 - Unauthenticated SQL Injection via filter[elements] Array Keys
Unauthenticated attackers can execute SQL injection attacks via unsanitized array keys in the WP Support Plus Responsive Ticket System plugin.
- 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-2026-11590?
CVE-2026-11590 is a high-severity SQL injection vulnerability in Unknown WP Support Plus Responsive Ticket System, published on 30 Jun 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
The WP Support Plus Responsive Ticket System WordPress plugin through 9.1.2 does not sanitize user-supplied array keys before using them in a SQL statement, allowing unauthenticated users to perform SQL injection attacks.
Which versions are affected by CVE-2026-11590?
How do I fix CVE-2026-11590?
No fix has been published for CVE-2026-11590 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-2026-11590 being exploited?
There is no known exploitation of CVE-2026-11590 in the wild and no public exploit code.
Sources
Also known as GHSA-fjmg-grxw-25vg.