CVE-2021-47738 - CVE House
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Status published Medium CVE-2021-47738

CSZ CMS 1.2.7 Persistent Cross-Site Scripting via Private Messaging

Vulnerability Description

CSZ CMS 1.2.7 contains a persistent cross-site scripting vulnerability that allows unauthorized users to embed malicious JavaScript in private messages. Attackers can send messages with script payloads in the user-agent header, which will execute when an admin views the message in the backend dashboard.

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

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Credits & Attribution

The following person or organization is credited with identifying this vulnerability, as recorded in the NVD database:

  • Metin Yunus Kandemir

Affected Vendor

Affected Software

CSZ CMS
Vulnerable Versions:
1.2.7

Timeline

Official Publish: December 23rd, 2025
Last Modified: April 7th, 2026
Added to House: July 21st, 2026

CVSS Vectors

V3: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N

Weaknesses (CWE)