Code Execution Vulnerability in DedeCMS by DedeCMS
CVE-2026-30643

9.8CRITICAL

Key Information:

Vendor

DedeCMS

Status
DedeCMS
Vendor
CVE Published:
1 April 2026

What is CVE-2026-30643?

A code execution vulnerability has been identified in DedeCMS 5.7.118, which can be exploited by attackers through the manipulation of setup tag values during module uploads. This could allow malicious users to execute arbitrary code on the server, potentially leading to unauthorized access and actions within the application.

References

https://www.dedecms.com/
https://gist.github.com/0psPwn/10c43912adee9bfe2ff4fec947...

CVSS V3.1

Score:
9.8
Severity:
CRITICAL
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.