What the vulnerability does
01Description
The AcyMailing – An Ultimate Newsletter Plugin and Marketing Automation Solution for WordPress plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'alignment' attribute in all versions up to, and including, 10.10.2 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with contributor-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.
Explanation of Vulnerability in Simple Terms
02Summary
AcyMailing versions up to 10.10.2 contain a cross-site scripting (XSS) vulnerability that allows authenticated users to inject malicious scripts. The vulnerability affects the plugin's scope across the WordPress site, potentially compromising data confidentiality and integrity. Site administrators should update to a version newer than 10.10.2 to remediate this issue.
What an attacker can do
03Attacker Capabilities
Inject malicious JavaScript that executes in other users' browsers and affects site functionality.
Potential impact on your site
04Site Impact
Authenticated users can inject scripts affecting other users' sessions and site data integrity.
Conditions required to exploit
05Prerequisites
Attacker must have a WordPress user account with at least subscriber-level access.
Key dates
06Disclosure timeline
July 9, 2026
CVE published
July 9, 2026
Record updated