Vulnerability Description
The Popup Builder – Create highly converting, mobile friendly marketing popups. plugin for WordPress is vulnerable to authorization bypass in all versions up to, and including, 4.4.2. This is due to the plugin generating predictable unsubscribe tokens using deterministic data. This makes it possible for unauthenticated attackers to unsubscribe arbitrary subscribers from mailing lists via brute-forcing the unsubscribe token, granted they know the victim's email address
CVSS Score
MEDIUM
Related Weaknesses (CWE)
References
- https://plugins.trac.wordpress.org/browser/popup-builder/tags/4.4.2/com/classes/
- https://plugins.trac.wordpress.org/browser/popup-builder/tags/4.4.2/com/helpers/
- https://plugins.trac.wordpress.org/changeset?sfp_email=&sfph_mail=&reponame=&old
- https://www.wordfence.com/threat-intel/vulnerabilities/id/62b29721-0580-4e1d-824
FAQ
What is CVE-2025-13079?
CVE-2025-13079 is a vulnerability with a CVSS score of 5.3 (MEDIUM). The Popup Builder – Create highly converting, mobile friendly marketing popups. plugin for WordPress is vulnerable to authorization bypass in all versions up to, and including, 4.4.2. This is due to t...
How severe is CVE-2025-13079?
CVE-2025-13079 has been rated MEDIUM with a CVSS base score of 5.3/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2025-13079?
Check the references section above for vendor advisories and patch information. Review vendor security bulletins for remediation guidance.