Campaign Monitor for WordPress
Campaign Monitor for WordPress has 3 disclosed vulnerabilities in the WordSec catalog, reported between 2023 and 2026; all 3 are fixed as of September 2026. Their average CVSS score is 5.2, and the most serious one scores 6.1 out of 10.
The most common weakness is Cross-Site Scripting, behind 1 of the records (33%). Other recurring categories include Exposure Of Sensitive Information To An Unauthorized Actor, Missing Authorization.
Every one of the 3 issues recorded for Campaign Monitor for WordPress has a vendor fix available, so running the current release closes all known holes.
3 independent researchers contributed these findings, one record each. Campaign Monitor for WordPress is installed on roughly 2,000 WordPress sites, so each unpatched flaw has a wide blast radius. The current release is tested up to WordPress 6.9.7.
CVE-2023-38474Campaign Monitor for WordPress <= 2.8.12 - Reflected Cross-Site Scripting
Read the full analysisVulnerability Records

Campaign Monitor for WordPress
Author
Campaign Monitor
Campaign Monitor for WordPress allows your visitors to sign up to lists in your campaignmonitor.com account, so you can create, send and measure the impact of your email marketing campaigns. With our plugin, you can create and customize subscribe forms from your WordPress dashboard, decide when and where to show them, and A/B test which one attracts more subscribers. Slide-Out — Position a floating tab at the top, bottom, left or right of the screen. Clicking it will slide out a subscribe form. Lightbox — Overlay a subscribe form while dimming the background of the site. You can show it immediately, after a specific amount of time, or after a user has scrolled a specific amount of pixels or percentage of the page. Bar — A strap along the top or bottom of a page, that contains all the fields needed to sign up. Button — Generate a button shortcode and insert it in a page or post. The form will appear as a Lightbox. Embedded — Generate a shortcode and add your signup form in a page or post. What is Campaign Monitor? Campaign Monitor makes it radically easy to create, send and measure the impact of your email marketing campaigns. Don’t have a Campaign Monitor account? Sign up for free.
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