Home

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.

PUBLISHED Reserved 2026-04-04 | Published 2026-04-05 | Updated 2026-04-06 | Assigner VulDB




MEDIUM: 5.3CVSS: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
MEDIUM: 6.3CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R
MEDIUM: 6.3CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R
6.5AV:N/AC:L/Au:S/C:P/I:P/A:P/E:POC/RL:ND/RC:UR

Problem types

SQL Injection

Injection

Product status

1.0
affected

1.1.0
affected

Timeline

2026-04-04:Advisory disclosed
2026-04-04:VulDB entry created
2026-04-04:VulDB entry last update

Credits

Zyyyy (VulDB User) reporter

VulDB CNA Team coordinator

References

vuldb.com/vuln/355290 (VDB-355290 | halex CourseSEL HTTP GET Parameter IndexController.class.php check_sel sql injection) vdb-entry technical-description

vuldb.com/vuln/355290/cti (VDB-355290 | CTI Indicators (IOB, IOC, TTP, IOA)) signature permissions-required

vuldb.com/submit/782202 (Submit #782202 | halex CourseSEL 1.1.0 SQL Injection) third-party-advisory

github.com/.../Vulnerability-Report/tree/main/CourseSEL-SQLi exploit

cve.org (CVE-2026-5537)

nvd.nist.gov (CVE-2026-5537)

Download JSON