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.
Advisories

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Fixes

Solution

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Workaround

No workaround given by the vendor.

History

Mon, 05 Jan 2026 23:15:00 +0900

Type Values Removed Values Added
Metrics cvssV3_1

{'score': 6.4, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N'}

cvssV3_1

{'score': 5.4, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N'}


Thu, 01 Jan 2026 06:45:00 +0900

Type Values Removed Values Added
CPEs cpe:2.3:a:cszcms:csz_cms:1.2.7:*:*:*:*:*:*:*

Wed, 24 Dec 2025 21:00:00 +0900

Type Values Removed Values Added
First Time appeared Cszcms
Cszcms csz Cms
Vendors & Products Cszcms
Cszcms csz Cms

Wed, 24 Dec 2025 07:15:00 +0900

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'poc', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


Wed, 24 Dec 2025 04:45:00 +0900

Type Values Removed Values Added
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.
Title CSZ CMS 1.2.7 Persistent Cross-Site Scripting via Private Messaging
Weaknesses CWE-79
References
Metrics cvssV3_1

{'score': 6.4, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N'}

cvssV4_0

{'score': 5.1, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:L/VI:L/VA:N/SC:L/SI:L/SA:N'}


Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: VulnCheck

Published:

Updated: 2026-01-05T14:09:53.134Z

Reserved: 2025-12-23T13:24:04.580Z

Link: CVE-2021-47738

cve-icon Vulnrichment

Updated: 2025-12-23T21:36:44.735Z

cve-icon NVD

Status : Modified

Published: 2025-12-23T20:15:45.740

Modified: 2026-01-05T14:15:51.813

Link: CVE-2021-47738

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2025-12-24T20:53:19Z

Weaknesses