CVE-2026-102562 | BDVDB-2026-388213 Detail
acybaAcyMailing – An Ultimate Newsletter Plugin and Marketing Automation Solution for WordPress
Description#
The AcyMailing plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the customField[] parameter of the public frontusers::subscribe endpoint in versions up to, and including, 11.1.0. This is due to insufficient input sanitization and output escaping in the acym_cleanVar() sanitizer, whose HTML-tag stripper only matches complete tags (requiring a closing '>'), together with SubscriberInsertion::replaceUserInformation() and the archive view template, which substitute the stored subscriber field value into the mail body and emit it without HTML encoding. This makes it possible for unauthenticated attackers to inject arbitrary web scripts in pages that will execute whenever a user accesses the online-archive URL for the poisoned subscriber, including administrators who click the plugin-generated link in the Subscribers → History screen.
Impact#
Per CVSS v3.1: confidentiality impact low, integrity impact low, availability impact none. Attack vector: network.
Weaknesses#
- CWE-79 Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
References#
- https://www.wordfence.com/threat-intel/vulnerabilities/id/eb8f03fb-d1af-4727-87d7-58dbe4013d8a?source=cve
- https://plugins.trac.wordpress.org/browser/acymailing/tags/11.1.0/front/FrontViews/Archive/tmpl/view.php#L17
- https://plugins.trac.wordpress.org/browser/acymailing/tags/11.1.0/back/dynamics/subscriber/SubscriberInsertion.php#L159
- https://plugins.trac.wordpress.org/browser/acymailing/tags/11.1.0/back/Classes/FieldClass.php#L292
- https://plugins.trac.wordpress.org/browser/acymailing/tags/11.1.0/back/Core/wordpress/security.php#L122
- https://plugins.trac.wordpress.org/browser/acymailing/tags/11.1.0/back/Classes/UserClass.php#L1187
- https://plugins.trac.wordpress.org/browser/acymailing/tags/11.1.0/front/FrontControllers/FrontusersController.php#L69
- https://plugins.trac.wordpress.org/changeset?reponame=&old=3729031%40acymailing&new=3729031%40acymailing
Exploit#
No public exploit known
History#
- Version 1Record published in the CVE List.
- Version 2Most recent update recorded in the CVE List.