CVE-2025-13079

5.3 MEDIUM
Published: February 19, 2026 Modified: February 19, 2026
View on NVD

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

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CVSS v3.x Details

0.0 Low Medium High Critical 10.0
Vector String
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N

References to Advisories, Solutions, and Tools

Patch Vendor Advisory Exploit Third Party Advisory
https://plugins.trac.wordpress.org/browser/popup-builder/tags/4.4.2/com/classes/Actions.php#L842
Source: security@wordfence.com
https://plugins.trac.wordpress.org/browser/popup-builder/tags/4.4.2/com/helpers/AdminHelper.php#L896
Source: security@wordfence.com
https://plugins.trac.wordpress.org/changeset?sfp_email=&sfph_mail=&reponame=&old=3444540%40popup-builder&new=3444540%40popup-builder&sfp_email=&sfph_mail=
Source: security@wordfence.com
https://www.wordfence.com/threat-intel/vulnerabilities/id/62b29721-0580-4e1d-824d-9b8355890248?source=cve
Source: security@wordfence.com

4 reference(s) from NVD

Quick Stats

CVSS v3 Score
5.3 / 10.0
EPSS (Exploit Probability)
0.1%
19th percentile
Exploitation Status
Not in CISA KEV

Weaknesses (CWE)

CWE-1241

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