CVE-2026-11590
HIGH
Published Jun 30, 2026
Modified Jun 30, 2026
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.
Is your site exposed to CVE-2026-11590?
Run a free security scan — no signup, results in seconds.
CVSS v3.1 Score
8.6
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:N
EPSS — Exploit Prediction
0.0026
Probability of exploitation
0.18%
Percentile rank
EPSS estimates the probability that this vulnerability will be exploited in the wild within the next 30 days. A higher score means more likely to be exploited.
References
Frequently Asked Questions
What is CVE-2026-11590? +
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. It has a CVSS v3.1 base score of 8.6 (HIGH).
How severe is CVE-2026-11590? +
CVE-2026-11590 has a CVSS v3.1 score of 8.6 out of 10, rated HIGH. This is a high-severity vulnerability that should be prioritized for patching. The EPSS score is 0.0026, placing it in the 0th percentile for exploitation probability.
How do I check if I'm vulnerable to CVE-2026-11590? +
You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.
