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CVE-2026-21630— Joomla! Core - [20260302] - SQL injection in com_content articles webservice endpoint

Quick assessment

Affected
Joomla! Project Joomla! CMS
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Joomla! CMS是Joomla!开源的一个内容管理系统。 Joomla! CMS存在SQL注入漏洞，该漏洞源于order子句构建不当，可能导致articles webservice端点存在SQL注入漏洞。

AI Predicted 9.8 Difficulty: Easy EPSS 0.34% · P25

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2026-21630

Vulnerability Information
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Vulnerability Title
Joomla! Core - [20260302] - SQL injection in com_content articles webservice endpoint
Source: CVE Program / CVE List V5
Vulnerability Description
Improperly built order clauses lead to a SQL injection vulnerability in the articles webservice endpoint.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N
Source: CVE Program / CVE List V5
Vulnerability Type
SQL命令中使用的特殊元素转义处理不恰当(SQL注入)
Source: CVE Program / CVE List V5
Vulnerability Title
Joomla! CMS SQL注入漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Joomla! CMS是Joomla!开源的一个内容管理系统。 Joomla! CMS存在SQL注入漏洞，该漏洞源于order子句构建不当，可能导致articles webservice端点存在SQL注入漏洞。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
Joomla! Project Joomla! CMS 4.0.0-5.4.3 -

II. Public POCs for CVE-2026-21630

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III. Intelligence Information for CVE-2026-21630

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Vendor Advisories for CVE-2026-21630 (1)

Same Patch Batch · Joomla! Project · 2026-04-01 · 6 CVEs total

CVE-2026-23898 8.6 HIGH Joomla! Core - [20260305] - Arbitrary file deletion in com_joomlaupdate
CVE-2026-21631 Joomla! Core - [20260303] - XSS vector in com_associations comparison view
CVE-2026-21629 Joomla! Core - [20260301] - ACL hardening in com_ajax
CVE-2026-21632 Joomla! Core - [20260304] - XSS vectors in various article title outputs
CVE-2026-23899 Joomla! Core - [20260306] - Improper access check in webservice endpoints

IV. Related Vulnerabilities

Same product: Joomla! CMS
Same vendor: Joomla! Project
Same weakness: CWE-89

V. Comments for CVE-2026-21630

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