CVE-2026-5537

MEDIUM

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

Title source: cna

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.

References (4)

Core 4

Core References

Vdb Entry, Technical Description vdb-entry technical-description

VDB-355290 | halex CourseSEL HTTP GET Parameter IndexController.class.php check_sel sql injection

https://vuldb.com/vuln/355290

Signature, Permissions Required signature permissions-required

VDB-355290 | CTI Indicators (IOB, IOC, TTP, IOA)

https://vuldb.com/vuln/355290/cti

Third Party Advisory third-party-advisory

Submit #782202 | halex CourseSEL 1.1.0 SQL Injection

https://vuldb.com/submit/782202

Exploit exploit

https://github.com/zy606/Vulnerability-Report/tree/main/CourseSEL-SQLi

View Exploit ZIP pw:eip

Scores

CVSS v3 6.3

EPSS 0.0025

EPSS Percentile 15.6%

Attack Vector NETWORK

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L

CISA SSVC

Vulnrichment

Exploitation poc

Automatable no

Technical Impact partial

Details

CWE

CWE-74 CWE-89

Status published

Products (2)

halex/CourseSEL 1.0

halex/CourseSEL 1.1.0

Published Apr 05, 2026

Tracked Since Apr 05, 2026