Read the docs
TI-2021-22355 Aliases CVE-2021-47738GHSA-ggjj-xc5q-883p

CSZ CMS 1.2.7 Persistent Cross-Site Scripting via Private Messaging

Priority MEDIUM 56CWE-79Published · Updated

Key facts

Attack vector
Network
Privileges required
Low
User interaction
Passive
Attack complexity
Low
Attack requirements
None
Impact type
Cross-site scripting
Confidentiality · integrity · availability
Low · Low · None
Fix status
No fix listed

Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-79.

Summary

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.

Why it matters now

Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.00284 20th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by the CNA and NVD
Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
Poc
Automatable
No
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
CszcmsCSZ CMS1.2.7—No fix listedCNA
  • CSZ CMS VendorCszcms Affected 1.2.7 Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:cszcms:csz_cms:1.2.7:*:*:*:*:*:*:*1.2.7VulnerableCszcms
  • cpe:2.3:a:cszcms:csz_cms:1.2.7:*:*:*:*:*:*:* Versions 1.2.7 Vulnerable ·Cszcms

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2021-47738
  2. 2026-10-03 Alias added: GHSA-ggjj-xc5q-883p

References

Exploit 1

Other 2

  • TI-2024-38404 CSZCMS 1.3.0 Authenticated SQL Injection via Members View Endpoint CVSS 4.0CRITICAL 9.3
  • TI-2020-13707 File upload vulnerability in CSKaza CSZ CMS v.1.2.2 fixed in v1.2.4 allows attacker to… CVSS 3.1HIGH 8.8
  • TI-2025-20985 SQL Injection vulnerability in CSZ-CMS v.1.3.0 allows a remote attacker to execute… CVSS 3.1MEDIUM 6.5
  • TI-2025-20984 SQL Injection vulnerability in CSZ-CMS v.1.3.0 allows a remote attacker to execute… CVSS 3.1MEDIUM 6.5
  • TI-2019-09802 core/MY_Security.php in CSZ CMS 1.2.2 before 2019-06-20 has member/login/check SQL… CVSS 3.0CRITICAL 9.8
  • TI-2025-39382 A SQL injection vulnerability exists in CSZ-CMS <=1.3.0 in the Form Builder view… CVSS 3.1MEDIUM 5.4
See all 28 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences