Mail Relay Vulnerability in SP Page Builder from JoomShaper
CVE-2026-65879

9.8CRITICAL

Key Information:

Vendor

Joomshaper.com

Status
Sp Page Builder Extension For Joomla
Vendor
CVE Published:
27 July 2026

What is CVE-2026-65879?

A significant vulnerability exists in the SP Page Builder by JoomShaper affecting versions prior to 6.7.1, allowing attackers to exploit a hardcoded secret. This vulnerability enables unauthenticated mail relay attacks, permitting malicious entities to forge the 'From' address of email forms. This flaw poses a risk of email spoofing and can potentially be used to execute further attacks involving misinformation or phishing.

Affected Version(s)

SP Page Builder extension for Joomla 1.0.0-6.7.0

References

https://www.joomshaper.com/page-builder
product
https://mysites.guru/blog/sp-page-builder-sql-injection-m...
third-party-advisory

CVSS V3.1

Score:
9.8
Severity:
CRITICAL
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

Phil Taylor
.