CVE-2025-13079

Summary

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

Affected Software

VendorProductVersion RangeStatus
popupbuilderPopup Builder – Create highly converting, mobile friendly marketing popups.0 <= 4.4.2affected

Weaknesses

  • CWE-1241: CWE-1241 Use of Predictable Algorithm in Random Number Generator

ADP Enrichment

CISA ADP Vulnrichment

  • SSVC:
  • Exploitation: none
    • Automatable: yes
    • Technical Impact: partial

References