CVE-2026-5537CWE-74CWE-89

halex CourseSEL HTTP GET Parameter IndexController.class.php check_sel sql injection

Medium · published April 5, 2026

CVSS v4.0
5.3
EPSS
0%
Percentile
23.3
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v4.0
5.3 · MEDIUM
Vector
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P
EPSS
0.00316 · 23.3th percentile
Weaknesses
CWE-74 · Improper Neutralization of Special Elements in Output Used by a Downstream Component ('Injection'); CWE-89 · Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection')
Published
2026-04-05T03:00Z
EPSS history
Timeline
  • 05 APR 03:00Z
    halex CourseSEL HTTP GET Parameter IndexController.class.php check_sel sql injection
    cvelistv5