CVE-2025-13079
MEDIUM EPSS 29.1%
Published Feb 19, 20264mo ago · Modified Jun 17, 20262w ago
5.3 CVSS 3.1
Published Feb 19, 2026 4mo ago
Last Modified Jun 17, 2026 2w ago
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 Details
Base Score
Exploitability
Impact
Vector string
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N Attack Vector Network
Attack Complexity Low
Privileges Required None
User Interaction None
Scope Unchanged
Confidentiality None
Integrity Low
Availability None
Threat Intelligence
EPSS Exploit Probability
29.1% percentile
Exploit & Patch Status
No Known Exploit
No Patch Available
Weaknesses 1
CWE-1241
References 4
- plugins.trac.wordpress.org https://plugins.trac.wordpress.org/browser/popup-builder/tags/4.4.2/com/classes/Actions.php#L842
- plugins.trac.wordpress.org https://plugins.trac.wordpress.org/browser/popup-builder/tags/4.4.2/com/helpers/AdminHelper.php#L896
- plugins.trac.wordpress.org https://plugins.trac.wordpress.org/changeset?sfp_email=&sfph_mail=&reponame=&old=3444540%40popup-builder&new=3444540%40popup-builder&sfp_email=&sfph_mail=
- wordfence.com https://www.wordfence.com/threat-intel/vulnerabilities/id/62b29721-0580-4e1d-824d-9b8355890248?source=cve
Remediation
No remediation data recorded yet
Check vendor advisories and the NVD entry for patch availability.