CVE-2021-23838

Medium

Description

An issue was discovered in flatCore before 2.0.0 build 139. A reflected XSS vulnerability was identified in the media_filter HTTP request body parameter for the acp interface. The affected parameter accepts malicious client-side script without proper input sanitization. For example, a malicious user can leverage this vulnerability to steal cookies from a victim user and perform a session-hijacking attack, which may then lead to unauthorized access to the site.

SeverityMedium
CVSS4.8
Exploit probability—
ProductFlatcore
PublishedJan 15, 2021
First seenJan 15, 2021

How to fix

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

Affected products

ProductAffected versionsFixed in
flatcore flatcorev ≤ 2.0.0—

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