CVE-2026-66602

WordPress HashBar – WordPress Notification Bar plugin <= 2.0.0 - Cross Site Request Forgery (CSRF) vulnerability

Published Aug 18, 2026 CVSS 3.1 · 8.8 High EPSS < 1% KEV · Not listed
Description
Cross-Site Request Forgery (CSRF) vulnerability in DevItems HashBar – WordPress Notification Bar allows Cross Site Request Forgery.

This issue affects HashBar – WordPress Notification Bar: from n/a through 2.0.0.

Remediation

Vendor Solution

Update the WordPress HashBar – WordPress Notification Bar Plugin to the latest available version (at least 2.0.1).

Tracking

Sign in to view the affected projects.

Advisories

No advisories available
History
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Type Values Removed Values Added
First Time appeared Devitems
Devitems hashbar – Wordpress Notification Bar
Wordpress
Wordpress wordpress
Vendors & Products Devitems
Devitems hashbar – Wordpress Notification Bar
Wordpress
Wordpress wordpress
Type Values Removed Values Added
Description Cross-Site Request Forgery (CSRF) vulnerability in DevItems HashBar – WordPress Notification Bar allows Cross Site Request Forgery. This issue affects HashBar – WordPress Notification Bar: from n/a through 2.0.0.
Title WordPress HashBar – WordPress Notification Bar plugin <= 2.0.0 - Cross Site Request Forgery (CSRF) vulnerability
Weaknesses CWE-352
References
Metrics cvssV3_1

{'score': 8.8, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
Patchstack
Published
Updated
Aug 19, 2026, 3:50 PM
Reserved
Jul 27, 2026, 2:00 PM
Status
Deferred
Published
Aug 18, 2026, 10:17 PM
Modified
Oct 22, 2026, 4:09 PM