CVE-2020-37237
MediumCVSS 6.4Exploitation Probability (EPSS)
Low risk13th 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.
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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

