Email Header Injection Vulnerability in Elementor Addons by WPDeveloper
CVE-2026-15155

8.8HIGH

What is CVE-2026-15155?

The Essential Addons for Elementor plugin is exposed to a significant security issue where insufficient server-side validation of the Login/Register widget's email header settings can lead to account takeover. Attackers, holding Contributor-level access or higher, can exploit this vulnerability by injecting malicious Bcc headers into outgoing password reset emails, consequently intercepting sensitive password reset links. This flaw exists in all versions up to and including 6.6.10, necessitating prompt user attention to fortify their WordPress installations.

Affected Version(s)

Essential Addons for Elementor – Popular Elementor Templates & Widgets 0 <= 6.6.10

References

CVSS V3.1

Score:
8.8
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

Jonah Burgess (CryptoCat)
.