CVE-2026-5537
Medium · 6.3CVSS
6.3
EPSS
0.3%
Published
Apr 5, 2026
CISA due date
—
The record
A security vulnerability has been detected in halex CourseSEL up to 1.1.0. Affected by this vulnerability is the function check_sel of the file Apps/Index/Controller/IndexController.class.php of the component HTTP GET Parameter Handler. The manipulation of the argument seid leads to sql injection. It is possible to initiate the attack remotely. The exploit has been disclosed publicly and may be used. The vendor was contacted early about this disclosure but did not respond in any way.
Affected packages
| Ecosystem | Package | Introduced | Fixed |
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