CVE-2026-5537

Medium

Description

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.

SeverityMedium
CVSS6.3
Exploit probability—
ProductCourseSEL
PublishedApr 5, 2026
First seenApr 5, 2026

How to fix

Sources list no fixed version or patch link for this vulnerability.

Affected products

ProductAffected versionsFixed in
halex CourseSEL1.0, 1.1.0—

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