CVE-2026-73381

WordPress Popup by Supsystic plugin <= 1.13.0 - Broken Authentication vulnerability

Published Aug 18, 2026 CVSS 3.1 · 9.1 Critical EPSS < 1% KEV · Not listed
Description
Unauthenticated Broken Authentication in Popup by Supsystic <= 1.13.0 versions.

Remediation

Vendor Solution

Update the WordPress Popup by Supsystic Plugin to the latest available version (at least 1.13.1).

Tracking

Sign in to view the affected projects.

Advisories

No advisories available
History
Type Values Removed Values Added
First Time appeared Supsysticcom
Supsysticcom popup By Supsystic
Wordpress
Wordpress wordpress
Vendors & Products Supsysticcom
Supsysticcom popup By Supsystic
Wordpress
Wordpress wordpress
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
Description Unauthenticated Broken Authentication in Popup by Supsystic <= 1.13.0 versions.
Title WordPress Popup by Supsystic plugin <= 1.13.0 - Broken Authentication vulnerability
Weaknesses CWE-288
References
Metrics cvssV3_1

{'score': 9.1, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
Patchstack
Published
Updated
Aug 18, 2026, 2:42 PM
Reserved
Aug 12, 2026, 2:09 PM
Status
Deferred
Published
Aug 18, 2026, 3:17 PM
Modified
Oct 22, 2026, 10:10 PM