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CVE-2026-15155— Essential Addons for Elementor <= 6.6.10 - Authenticated (Contributor+) Account Takeover via Email Header Injection

Quick assessment

Affected
wpdevteam Essential Addons for Elementor – Popular Elementor Templates & Widgets
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

wpdevteam Essential Addons for Elementor – Popular Elementor Templates & Widgets是wpdevteam公司的WordPress 插件。 WordPress Essential Addons for Elementor – Popular Elementor Templates & Widgets 6.6.10及之前版本存在授权问题漏洞，该漏洞源于对Login/Register widget设置的服务器端验证不足，允许攻击者注入额

CVSS 8.8 · High EPSS 0.67% · P50

Possible ATT&CK Techniques 1 AI

T1133 · External Remote Services

Affected Version Matrix 1

VendorProduct Version RangeStatus
wpdevteam Essential Addons for Elementor – Popular Elementor Templates & Widgets ≤ 6.6.10 affected
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I. Basic Information for CVE-2026-15155

Vulnerability Information
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Vulnerability Title
Essential Addons for Elementor <= 6.6.10 - Authenticated (Contributor+) Account Takeover via Email Header Injection
Source: CVE Program / CVE List V5
Vulnerability Description
The 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.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
忘记口令恢复机制弱
Source: CVE Program / CVE List V5
Vulnerability Title
WordPress Essential Addons for Elementor – Popular Elementor Templates & Widgets 授权问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
wpdevteam Essential Addons for Elementor – Popular Elementor Templates & Widgets是wpdevteam公司的WordPress 插件。 WordPress Essential Addons for Elementor – Popular Elementor Templates & Widgets 6.6.10及之前版本存在授权问题漏洞，该漏洞源于对Login/Register widget设置的服务器端验证不足，允许攻击者注入额
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
wpdevteam Essential Addons for Elementor – Popular Elementor Templates & Widgets 0 ~ 6.6.10 -

II. Public POCs for CVE-2026-15155

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III. Intelligence Information for CVE-2026-15155

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Patches & Fixes for CVE-2026-15155 (1)

News Coverage for CVE-2026-15155 (1)

IV. Related Vulnerabilities

Same product: Essential Addons for Elementor – Popular Elementor Templates & Widgets
Same vendor: wpdevteam
Same weakness: CWE-640

V. Comments for CVE-2026-15155

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