CVE-2026-66602 PUBLISHED

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

Assigner: Patchstack
Reserved: 27.07.2026 Published: 18.08.2026 Updated: 18.08.2026

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.

Metrics

CVSS Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
CVSS Score: 8.8

Product Status

Vendor DevItems
Product HashBar – WordPress Notification Bar
Versions Default: unaffected
  • affected from n/a to 2.0.0 (incl.)

Solutions

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

Credits

  • Brian Willows | Patchstack Bug Bounty Program finder

References

Problem Types

  • CWE-352 Cross-Site Request Forgery (CSRF) CWE

Impacts

  • CAPEC-62 Cross Site Request Forgery