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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.

  • 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

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.