CVE Catalog

CVE-2020-37237

MediumCVSS 6.4
Published: Updated: Translated: NVD NIST

Exploitation Probability (EPSS)

Low risk
0.24%

13th percentile - higher than 13% of all known CVEs

Summary

Composr CMS 10.0.34 contains a persistent cross-site scripting vulnerability allowing 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.

Risk Assessment

All website visitors may be exposed to malicious script execution, potentially leading to data theft or further attacks.

Recommendation

Update Composr CMS to the latest version and apply input sanitization on description fields.

Related vulnerabilities

Original NVD description (English source)

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.

Vulnerability data from NVD (NIST) · CISA KEV · EPSS