Platform
joomla
Fixed in
4.0.1
6.0.1
CVE-2026-21630 describes a SQL Injection vulnerability discovered in the Joomla articles webservice. This flaw allows attackers to manipulate database queries, potentially leading to unauthorized data access or modification. The vulnerability affects Joomla versions up to and including 6.0.3. A patch is available to address this issue.
The SQL Injection vulnerability in Joomla's articles webservice allows an attacker to inject arbitrary SQL code into database queries. Successful exploitation could enable an attacker to bypass authentication, retrieve sensitive data (user credentials, articles, configuration details), modify data, or even execute arbitrary commands on the underlying database server. The blast radius extends to any data accessible through the articles webservice, potentially impacting a significant portion of a Joomla website's content and user information. While no immediate precedent is obvious, SQL Injection vulnerabilities are consistently among the most exploited web application flaws.
CVE-2026-21630 was publicly disclosed on 2026-04-01. As of this date, no public proof-of-concept exploits are known. The EPSS score is pending evaluation. Monitor security advisories and threat intelligence feeds for any indications of active exploitation campaigns targeting this vulnerability.
Exploit Status
EPSS
0.01% (2% percentile)
CISA SSVC
The primary mitigation for CVE-2026-21630 is to upgrade Joomla to a patched version. Consult the official Joomla security advisory for the specific version containing the fix. If immediate upgrading is not possible, consider implementing temporary workarounds such as input validation and sanitization on the articles webservice endpoint. Web application firewalls (WAFs) configured with rules to detect and block SQL Injection attempts can also provide an additional layer of defense. Carefully review and restrict access to the articles webservice to minimize potential exposure.
Update Joomla! to the latest available version. Affected versions are those between 4.0.0 and 5.4.3, and between 6.0.0 and 6.0.3. The update will correct the (SQL Injection) vulnerability in the com_content articles webservice endpoint.
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CVE-2026-21630 is a SQL Injection vulnerability in the Joomla articles webservice, allowing attackers to inject malicious SQL code and potentially access or modify data.
You are affected if your Joomla website is running versions 6.0.0 through 6.0.3. Check your Joomla version and upgrade immediately.
Upgrade your Joomla installation to a patched version containing the fix. Consult the official Joomla security advisory for details.
As of the public disclosure date, no active exploitation has been confirmed, but continuous monitoring is recommended.
Refer to the official Joomla security announcements on the Joomla website for the latest information and advisory details.
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