CVE-2020-37237

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.

CVSS v3 6.4 MEDIUM

6.4^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 3.1 / Impact : 2.7

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact LOW

Integrity Impact LOW

Availability Impact NONE

Scope CHANGED

References

Link	Resource
https://compo.sr/
https://compo.sr/download.htm
https://www.exploit-db.com/exploits/49190
https://www.vulncheck.com/advisories/composr-cms-persistent-cross-site-scripting-via-banners

Configurations

No configuration.

History

No history.

Information

Published : 2026-05-16 16:16

Updated : 2026-06-17 03:17

NVD link : CVE-2020-37237

Mitre link : CVE-2020-37237

CVE.ORG link : CVE-2020-37237

JSON object : View

Products Affected

No product.

CWE

CWE-79

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

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