SQL Injection Vulnerability in Joomla Articles Webservice by Joomla
CVE-2026-21630

6.9MEDIUM

Key Information:

Vendor

Joomla
Status
Joomla! Cms
Vendor
CVE Published:
1 April 2026

What is CVE-2026-21630?

A SQL injection vulnerability exists within Joomla's articles webservice endpoint due to improperly constructed order clauses. This flaw can allow attackers to manipulate SQL queries, potentially leading to unauthorized access to sensitive data or unauthorized database modifications. It is crucial for Joomla users to prioritize security updates to mitigate the risks associated with this vulnerability.

Affected Version(s)

Joomla! CMS 4.0.0-5.4.3

Joomla! CMS 6.0.0-6.0.3

References

https://developer.joomla.org/security-centre/1028-2026030...
vendor-advisory

CVSS V4

Score:
6.9
Severity:
MEDIUM
Confidentiality:
High
Integrity:
None
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

Antonio Morales from GitHub Security Lab Taskflow Agent
vnth4nhnt from CyStack
.