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CVE-2026-15155 is an authenticated account takeover vulnerability in the Essential Addons for Elementor – Popular Elementor Templates & Widgets plugin for WordPress affecting all versions up to and including 6.6.10. The flaw is caused by insufficient server-side validation of a Login/Register widget setting that is used to construct outgoing email headers. Although allowed values were restricted in the client-side editor interface, equivalent enforcement was not performed on the server, and the sanitization applied to the setting failed to strip or encode carriage return and line feed characters. As a result, an authenticated attacker can store CRLF sequences in the setting and inject additional mail headers when the application generates email. In practice, this allows a Contributor-level attacker or higher to add a Bcc header to the WordPress administrator password-reset notification, obtain a copy of a valid administrator reset link, and then reset the administrator password to take over the account.
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No public exploit code observed for this vulnerability.
7 sources tracked across advisories, community write-ups, and news. New activity surfaces here as Mallory finds it.
Query your assets running an affected version, and investigate the blast radius.
Every observed campaign linking this CVE to a named adversary.
Malware families riding this exploit, with evidence and IOCs.
YARA, Sigma, Snort, and vendor rules, auto-deployed to your SIEM.
Cross-references every affected SKU, including bundled OEM variants.
Community discussion across Reddit, Mastodon, and other social sources.