Medium severity6.1NVD Advisory· Published Dec 23, 2025· Updated Jun 17, 2026

CVE-2021-47732

Description

CMSimple 5.2 contains a stored cross-site scripting vulnerability in the Filebrowser External input field that allows attackers to inject malicious JavaScript. Attackers can place unfiltered JavaScript code that executes when users click on Page or Files tabs, enabling persistent script injection.

AI Insight

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

Affected products

Cmsimple/Cmsimple3 versions
cpe:2.3:a:cmsimple:cmsimple:5.2:*:*:*:*:*:*:*+ 2 more
- cpe:2.3:a:cmsimple:cmsimple:5.2:*:*:*:*:*:*:*
- (no CPE)range: =5.2
- (no CPE)range: CMSimple 5.2

Patches

Vulnerability mechanics

References

www.exploit-db.com/exploits/49751nvdExploit
www.vulncheck.com/advisories/cmsimple-stored-cross-site-scripting-via-filebrowser-external-inputnvdThird Party Advisory
www.cmsimple.org/en/nvdProduct

News mentions

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