CVE-2026-65879 joomshaper.com CVE debrief

Who should care

Users of Joomla Extension SP Page Builder versions less than 6.7.1 should apply patches to prevent unauthenticated mail relay attacks. Affected operators, platform administrators, vulnerability management teams, and security teams should review official advisories and take necessary actions to mitigate the vulnerability.

Technical summary

The vulnerability in SP Page Builder versions less than 6.7.1 stems from a hardcoded secret that enables unauthenticated mail relay. Attackers can exploit this by forging the mail from address of forms, potentially leading to email spoofing and other malicious activities. The hardcoded secret is a product-wide secret, and users should review official advisories for affected versions and apply patches or mitigations accordingly.

Defensive priority

High

Recommended defensive actions

• Apply patches for SP Page Builder version 6.7.1 or later
• Restrict access to mail relay functionality
• Monitor for suspicious email activity
• Review compensating controls for exposed systems while remediation is scheduled and verified
• Check relevant monitoring, detection, and logs for exposed assets that need extra review
• Track exceptions, retest remediated assets, and close the item only after evidence is documented
• Confirm whether affected product deployments exist in managed environments and assign an owner for follow-up

Evidence notes

The CVE record was published on 2026-07-27T14:17:01.103Z and was last modified on 2026-07-27T20:32:11.620Z. The NVD entry is currently Deferred. Evidence is limited, and defenders should verify affected scope and vendor guidance. The hardcoded secret allows attackers to forge mail from addresses of forms, potentially leading to email spoofing. Users should review official advisories for affected versions and apply patches or mitigations accordingly.

Official resources