Read the docs
TI-2021-21034 Aliases CVE-2021-46063GHSA-gc79-gh4f-9g6w

MCMS v5.2.5 was discovered to contain a Server Side Template Injection (SSTI)…

Priority MEDIUM 44CWE-94Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
Low
Impact type
Code execution
Confidentiality · integrity · availability
None · High · High
Fix status
No fix listed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA and GitHub. Impact type from CWE-94.

Summary

MCMS v5.2.5 was discovered to contain a Server Side Template Injection (SSTI) vulnerability via the Template Management module.

Why it matters now

EPSS 0.02731 86th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix No fix listed No fixed version in the sources yet

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
——all versions—No fix listedCNA
—net.mingsoft:ms-mcms (Maven)up to 5.2.5—No fix listedGHSA-gc79-gh4f-9g6w
  • — Vendor— Affected all versions Fixed in — No fix listed CNA
  • net.mingsoft:ms-mcms (Maven) Vendor— Affected up to 5.2.5 Fixed in — No fix listed GHSA-gc79-gh4f-9g6w

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:mingsoft:mcms:5.2.5:*:*:*:*:*:*:*5.2.5VulnerableMingsoft
  • cpe:2.3:a:mingsoft:mcms:5.2.5:*:*:*:*:*:*:* Versions 5.2.5 Vulnerable ·Mingsoft

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2021-46063
  2. 2026-10-03 Alias added: GHSA-gc79-gh4f-9g6w

References

Exploit 1

Advisory 1

  • TI-2025-21032 An arbitrary file upload vulnerability in the ueditor component of MCMS v5.4.3 allows… CVSS 3.1CRITICAL 9.8
  • TI-2023-27629 Mingsoft MCMS v5.2.9 was discovered to contain a SQL injection vulnerability via the… CVSS 3.1CRITICAL 9.8
  • TI-2020-13941 SQL Injection vulnerability found in Ming-Soft MCMS v.4.7.2 allows a remote attacker to… CVSS 3.1CRITICAL 9.8
  • TI-2022-04007 Mingsoft MCMS list sql injection CVSS 3.1CRITICAL 9.8
  • TI-2022-23293 MCMS v5.2.10 and below was discovered to contain an arbitrary file write vulnerability… CVSS 3.1HIGH 8.8
  • TI-2020-14389 File upload vulnerability in MCMS 5.0 allows attackers to execute arbitrary code via a… CVSS 3.1HIGH 8.8
See all 46 →

Sources

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