CVE-2020-37237

6.4 MEDIUM
Published: May 16, 2026 Modified: May 18, 2026
View on NVD

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.

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CVSS v3.x Details

0.0 Low Medium High Critical 10.0
Vector String
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N

References to Advisories, Solutions, and Tools

Patch Vendor Advisory Exploit Third Party Advisory
https://compo.sr/
Source: disclosure@vulncheck.com
https://compo.sr/download.htm
Source: disclosure@vulncheck.com
https://www.exploit-db.com/exploits/49190
Source: disclosure@vulncheck.com

4 reference(s) from NVD

Quick Stats

CVSS v3 Score
6.4 / 10.0
EPSS (Exploit Probability)
0.2%
15th percentile
Exploitation Status
Not in CISA KEV

Weaknesses (CWE)