Essential Addons for Elementor <= 6.6.10 - Authenticated (Contributor+) Account Takeover via Email Header Injection

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Summary

CVECVE-2026-15155
StatePUBLISHED
AssignerWordfence
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-07-11 07:16:46 UTC
Updated2026-07-11 07:16:46 UTC
DescriptionThe Essential Addons for Elementor – Popular Elementor Templates & Widgets plugin for WordPress is vulnerable to Authenticated Account Takeover via Email Header Injection in all versions up to, and including, 6.6.10 This is due to insufficient server-side validation of a Login/Register widget setting used to construct outgoing email headers — the allowed-values restriction is enforced only in the client-side editor UI and not on the server, and the applied sanitization does not strip or encode CR/LF characters, allowing CRLF sequences stored in that setting to survive into raw mail headers. This makes it possible for authenticated attackers, with Contributor-level access and above, to inject an additional Bcc header into the WordPress administrator's password-reset notification email, receive a copy of a valid administrator password-reset link, and achieve full administrator account takeover.

Risk And Classification

Primary CVSS: v3.1 8.8 HIGH from [email protected]

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Problem Types: CWE-640 | CWE-640 CWE-640 Weak Password Recovery Mechanism for Forgotten Password

VersionSourceTypeScoreSeverityVector
3.1[email protected]Primary8.8HIGHCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
3.1CNADECLARED8.8HIGHCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

CVSS v3.1 Breakdown

Attack Vector
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Wpdevteam Essential Addons For Elementor Popular Elementor Templates Widgets affected 6.6.10 semver Not specified

References

ReferenceSourceLinkTags
www.wordfence.com/threat-intel/vulnerabilities/id/cbe8cf6c-b1fa-4f71-bb63-c8b18... [email protected] www.wordfence.com
plugins.trac.wordpress.org/browser/essential-addons-for-elementor-lite/tags/6.6.5/includ... [email protected] plugins.trac.wordpress.org
plugins.trac.wordpress.org/browser/essential-addons-for-elementor-lite/tags/6.6.10/inclu... [email protected] plugins.trac.wordpress.org
plugins.trac.wordpress.org/browser/essential-addons-for-elementor-lite/tags/6.6.5/includ... [email protected] plugins.trac.wordpress.org
plugins.trac.wordpress.org/browser/essential-addons-for-elementor-lite/tags/6.6.10/inclu... [email protected] plugins.trac.wordpress.org
plugins.trac.wordpress.org/browser/essential-addons-for-elementor-lite/tags/6.6.5/includ... [email protected] plugins.trac.wordpress.org
plugins.trac.wordpress.org/changeset [email protected] plugins.trac.wordpress.org
plugins.trac.wordpress.org/browser/essential-addons-for-elementor-lite/tags/6.6.10/inclu... [email protected] plugins.trac.wordpress.org
plugins.trac.wordpress.org/changeset/3601504/essential-addons-for-elementor-lite/trunk/i... [email protected] plugins.trac.wordpress.org
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

Vendor Comments And Credit

Discovery Credit

CNA: Jonah Burgess (CryptoCat) (en)

Additional Advisory Data

SourceTimeEvent
CNA2026-07-08T20:05:45.000ZVendor Notified
CNA2026-07-10T16:46:50.000ZDisclosed
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