PatchSiren cyber security CVE debrief
CVE-2026-74254 joomlack.fr CVE debrief
The Joomla extension Page Builder CK, prior to version 3.6.5, is vulnerable to a SQL injection issue related to the styles model. This critical vulnerability, with a CVSS score of 9.3, allows attackers to inject malicious SQL code, potentially leading to data breaches or system compromise. The likely operational impact is high, and the source-confidence limits are moderate. The review context is critical, and the defensive impact is significant. Immediate attention is required to mitigate the vulnerability. Administrators and users of Joomla Page Builder CK, especially those with versions prior to 3.6.5, should take immediate action to mitigate the vulnerability. This includes reviewing and updating the extension to the latest version, monitoring for suspicious activity, and implementing compensating controls such as WAF rules.
- Vendor
- joomlack.fr
- Product
- Page Builder CK extension for Joomla
- CVSS
- CRITICAL 9.3
- CISA KEV
- Not listed in stored evidence
- Original CVE published
- 2026-08-17
- Original CVE updated
- 2026-08-26
- Advisory published
- 2026-08-17
- Advisory updated
- 2026-08-26
Who should care
Administrators and users of Joomla Page Builder CK, especially those with versions prior to 3.6.5, should take immediate action to mitigate the vulnerability. This includes reviewing and updating the extension to the latest version, monitoring for suspicious activity, and implementing compensating controls such as WAF rules. Security teams should prioritize this vulnerability due to its critical severity and potential impact on the system. Vulnerability management and security teams should work together to ensure that all affected systems are identified and remediated promptly. Additionally, operators and platform administrators should be aware of the potential risks and take necessary precautions to prevent exploitation. The vulnerability management process should include tracking and verifying the remediation of affected systems, as well as monitoring for potential attacks. Security teams should also review and update their incident response plans to address potential SQL injection attacks. IT teams responsible for Joomla installations should be notified and involved in the remediation process. The security team should also consider implementing additional security controls, such as input validation and output encoding, to prevent similar vulnerabilities in the future. The affected product or component is Joomla Page Builder CK, and the vulnerability class is SQL injection. The likely operational impact is high, and the source-confidence limits are moderate. The review context is critical, and the defensive impact is significant. The vulnerability requires immediate attention and remediation to prevent potential exploitation. The CVSS score of 9.3 indicates a critical severity, and the vulnerability should be prioritized accordingly. The affected operator is the administrator of the Joomla system, and the platform is Joomla. The vulnerability-management team should prioritize this vulnerability and work with the security team to ensure prompt remediation. The security team should also review and update their vulnerability management process to address similar vulnerabilities in the future. The IT team responsible for Joomla installations should be involved in
Technical summary
The Joomla extension Page Builder CK is vulnerable to a SQL injection issue related to the styles model. Version 3.6.4 fixed the vector in the frontend, 3.6.5 in the backend. CVSS score of 9.3 indicates critical severity. The vulnerability allows attackers to inject malicious SQL code, potentially leading to data breaches or system compromise. Immediate attention is required to mitigate the vulnerability.
Defensive priority
Critical vulnerability in Joomla extension Page Builder CK, with CVSS score of 9.3, requires immediate attention.
Recommended defensive actions
- Inventory checks for Page Builder CK versions prior to 3.6.5
- Apply vendor patches or updates
- Monitor for suspicious database activity
- Implement compensating controls, such as WAF rules
- Review and update incident response plans to address potential SQL injection attacks
- Notify and involve IT teams responsible for Joomla installations in the remediation process
- Track and verify the remediation of affected systems, as well as monitor for potential attacks
Evidence notes
The Joomla extension Page Builder CK is vulnerable to a SQL injection issue related to the styles model. Version 3.6.4 fixed the vector in the frontend, 3.6.5 in the backend. Limited information available on affected scope and vendor remediation. Further verification is needed to determine the full impact and to confirm if there are any additional vulnerabilities. Defenders should verify the version of Page Builder CK in use and check for any suspicious database activity.
Sources and references
Verified primary and authoritative sources
-
CVE-2026-74254 CVE Program record
Publisher, destination, and source semantics verified
URL: https://www.cve.org/CVERecord?id=CVE-2026-74254
CVE Program - Official CVE Program record with source-provided CVE metadata.
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CVE-2026-74254 NVD vulnerability detail
Publisher, destination, and source semantics verified
URL: https://nvd.nist.gov/vuln/detail/CVE-2026-74254
NIST National Vulnerability Database - Official NIST NVD detail page and source-specific vulnerability assessment.
Supplemental references
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Source reference
Unverified legacy reference
URL: https://www.joomlack.fr/
Methodology and review provenance
AI-assisted synthesis based on stored public vulnerability evidence. System validation, approval state, and publication status do not by themselves establish human review of this revision. PatchSiren helps prioritize defensive review and does not prove exposure or remediation on any system.