CVE-2026-73381
Received Received - Intake

Unauthenticated Broken Authentication in Popup by Supsystic

Publication date: 2026-08-18

Last updated on: 2026-08-18

Assigner: Patchstack

Description
Unauthenticated Broken Authentication in Popup by Supsystic <= 1.13.0 versions.

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Meta Information

Published
2026-08-18
Last Modified
2026-08-18
Generated
2026-08-18
AI Q&A
2026-08-18
EPSS Evaluated
N/A
NVD
CVE-2026-73381
EUVD
EUVD-2026-60796

Affected Vendors & Products

Showing 2 associated CPEs
Vendor Product Version / Range
supsystic popup to 1.13.0 (inc)
supsystic popup 1.13.0

Helpful Resources

Exploitability

CWE
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KEV
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CWE ID Description
CWE-288 The product requires authentication, but the product has an alternate path or channel that does not require authentication.

Attack-Flow Graph

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Executive Summary

CVE-2026-73381 is an unauthenticated broken authentication vulnerability in the WordPress Popup by Supsystic plugin versions 1.13.0 and below. It allows attackers to perform privileged actions without authentication, potentially gaining admin access to websites.

Detection Guidance

Check if the Popup by Supsystic plugin version is 1.13.0 or below. Use WordPress admin panel or run a command like 'wp plugin list' if using WP-CLI to verify versions.

Impact Analysis

This vulnerability can allow attackers to take control of your website, modify content, steal data, or install malicious software. It is actively exploitable and may be used in mass attacks targeting many sites.

Mitigation Strategies

Update the Popup by Supsystic plugin to version 1.13.1 or later immediately. If unable to update, apply the temporary mitigation rule provided by Patchstack.

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