What the vulnerability does
01Description
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in Campaign Monitor Campaign Monitor for WordPress allows Reflected XSS.This issue affects Campaign Monitor for WordPress: from n/a through 2.8.12.
Explanation of Vulnerability in Simple Terms
02Summary
The Campaign Monitor for WordPress plugin through version 2.8.12 contains a stored cross-site scripting (XSS) vulnerability. An attacker can inject malicious scripts that execute in the browsers of site visitors and administrators. The vulnerability requires user interaction to trigger and can affect multiple users across the site. Update the plugin to a version newer than 2.8.12.
What an attacker can do
03Attacker Capabilities
Inject malicious scripts that run in visitors' browsers, stealing cookies, session tokens, or performing actions on their behalf.
Potential impact on your site
04Site Impact
Visitors and admins may have their sessions hijacked, credentials stolen, or be redirected to malicious sites.
Conditions required to exploit
05Prerequisites
Attacker needs network access and a victim must visit a page containing the injected payload.
Key dates
06Disclosure timeline
November 30, 2023
CVE published
April 28, 2026
Record updated