CVE-2025-13146 sevenspark CVE debrief

Who should care

Users of the Contact Form 7 – Dynamic Text Extension plugin for WordPress should be aware of this vulnerability and take steps to mitigate it, especially if they allow unauthenticated users to interact with the plugin. This includes administrators of WordPress sites using the plugin, security teams monitoring for potential exploits, and operators responsible for maintaining the affected systems.

Technical summary

The Contact Form 7 – Dynamic Text Extension plugin for WordPress is vulnerable to arbitrary shortcode execution. This is due to insufficient validation of user input before passing it to the do_shortcode function. An attacker could exploit this vulnerability to execute arbitrary shortcodes, potentially leading to various malicious actions. The vulnerability affects all versions up to, and including, 5.0.6 and was partially patched in version 5.0.4.

Defensive priority

Medium

Recommended defensive actions

• Update to version 5.0.7 or later
• Restrict access to the plugin's functionality
• Monitor for suspicious activity
• Review compensating controls for exposed systems while remediation is scheduled and verified
• Check relevant monitoring, detection, and logs for exposed assets that need extra review
• Track exceptions, retest remediated assets, and close the item only after evidence is documented
• Confirm whether affected product deployments exist in managed environments and assign an owner for follow-up

Evidence notes

The CVE record was published on 2026-07-22T12:16:54.763Z and was last modified on 2026-07-22T16:30:26.533Z. The NVD entry is currently Deferred. The Contact Form 7 – Dynamic Text Extension plugin for WordPress is vulnerable to arbitrary shortcode execution in all versions up to, and including, 5.0.6. This is due to the software allowing users to execute an action that does not properly validate a value before running do_shortcode. The vulnerability was partially patched in version 5.0.4. Evidence limits suggest that defenders verify the vulnerability in their environment and review the official advisory for affected scope and severity.

Official resources