CVE-2026-5537 Details
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.
A SQL injection vulnerability has been identified in halex CourseSEL versions through 1.1.0. The issue arises in the 'check_sel' function of the 'Apps/Index/Controller/IndexController.class.php' file, where the 'seid' parameter is improperly sanitized before being included in an SQL query. This vulnerability allows authenticated attackers with low privileges to exploit the application by injecting malicious SQL payloads, potentially leading to unauthorized data access or manipulation.
Metrics
CVSS 4.0 Severity and Vector Strings:
VolerionCVSS 3.x Severity and Vector Strings:
No data available for CVSS Version 2.0 on this CVE.
Volerion
Assessed Apr 5, 2026CISA-ADP
Assessed Apr 6, 2026References to Advisories, Solutions, and Tools
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| URL | Source(s) | Tag(s) |
|---|---|---|
| https://github.com/zy606/Vulnerability-Report/tree/main/CourseSEL-SQLi | [email protected] | ExploitTechnical Description |
| https://vuldb.com/submit/782202 | [email protected] | Technical Description |
| https://vuldb.com/vuln/355290 | [email protected] | AdvisoryExploitPartial Content |
| https://vuldb.com/vuln/355290/cti | [email protected] |
Weakness Enumeration
| CWE-ID | CWE Name | Source |
|---|---|---|
| CWE-74 | Improper Neutralization of Special Elements in Output Used by a Downstream Component ('Injection') | [email protected] |
| CWE-89 | Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection') | [email protected] |
Affected Products
| Product | Versions |
|---|---|
| halex CourseSEL | All versions |
CPE
Remediation
| |
Change History
5 change records found show changes
| Date | Action | Recorded By |
|---|---|---|
| Jul 24, 2026 | CVE Translated | [email protected] |
| Jun 17, 2026 | CVE Modified | [email protected] |
| Jun 17, 2026 | CVE Modified | CISA-ADP |
| Apr 29, 2026 | Data Remediation | [email protected] |
| Apr 5, 2026 | New CVE Received | [email protected] |