CVE-2021-47732

Medium

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.

SeverityMedium
CVSS6.1
Exploit probability—
ProductCmsimple
PublishedDec 23, 2025
First seenDec 23, 2025

How to fix

Sources list no fixed version or patch link for this vulnerability.

Affected products

ProductAffected versionsFixed in
cmsimple cmsimple5.2—

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