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CVE-2026-66602

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

HIGH
8.8
CVSS Score
Published: August 18, 2026 at 10:03 PM UTC
Updated: October 22, 2026 at 04:09 PM UTC
1 product affected across 1 vendorHashbar

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Severity
HIGH8.8
Exploit prediction
EPSS 0.2%
SSVC
No known exploit

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Hashbar· Devitemsllcwordpress-plugin
90%
v ≤ 2.0.0

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

References (1)

VDB Entry
Source: cverecord
https://patchstack.com/database/wordpress/plugin/hashbar-wp-notification-bar/vulnerability/wordpress-hashbar-wordpress-notification-bar-plugin-2-0-0-cross-site-request-forgery-csrf-vulnerability?_s_id=cve

SSVC — Action Prioritization

SSVCNo known exploitNot automatableTotal impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

8.8HIGHPatchstack
Attack Vector
NETWORK
Complexity
LOW
Privileges
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH
Vector?

Quick Info

StatusDEFERRED
CWE
CWE-352

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