Medium severity6.4NVD Advisory· Published May 16, 2026· Updated May 18, 2026

CVE-2020-37237

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.

AI Insight

LLM-synthesized narrative grounded in this CVE's description and references.

Affected products

Composr/Composr CMSllm-create
Range: = 10.0.34
Statamic/CMSllm-fuzzy
Range: = 10.0.34

Patches

Vulnerability mechanics

References

compo.srnvd
compo.sr/download.htmnvd
www.exploit-db.com/exploits/49190nvd
www.vulncheck.com/advisories/composr-cms-persistent-cross-site-scripting-via-bannersnvd

News mentions

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