CVE-2020-37237 - CVE House
Back to Database
Status published Medium CVE-2020-37237

Composr CMS 10.0.34 Persistent Cross-Site Scripting via banners

Vulnerability Description

Composr CMS 10.0.34 contains a persistent cross-site scripting vulnerability that allows authenticated administrators to inject malicious scripts through the banner management interface. Attackers with admin credentials can inject XSS payloads in the Description field of the Add banner functionality, which execute for all website visitors when they access the home page.

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

THREAT MONITOR

Am I Vulnerable?

Launch our assessment wizard to check if your infrastructure is exposed to • CVE-2020-37237

Credits & Attribution

The following person or organization is credited with identifying this vulnerability, as recorded in the NVD database:

  • Parshwa Bhavsar

Affected Vendor

Affected Software

Composr CMS
Vulnerable Versions:
10.0.34

Timeline

Official Publish: May 16th, 2026
Last Modified: May 24th, 2026
Added to House: July 21st, 2026

CVSS Vectors

V3: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N

Weaknesses (CWE)