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CVE-2026-66602— WordPress HashBar – WordPress Notification Bar plugin <= 2.0.0 - Cross Site Request Forgery (CSRF) vulnerability

Quick assessment

Affected
DevItems HashBar – WordPress Notification Bar
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

DevItems HashBar – WordPress Notification Bar 存在跨站请求伪造（CSRF）漏洞，允许攻击者实施跨站请求伪造。 该漏洞影响 HashBar – WordPress Notification Bar 插件，影响版本范围从 n/a 至 2.0.0。

CVSS 8.8 · High EPSS 0.15% · P4

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application

Affected Version Matrix 1

VendorProduct Version RangeStatus
DevItems HashBar – WordPress Notification Bar n/a≤ 2.0.0 affected
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I. Basic Information for CVE-2026-66602

Vulnerability Information
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Vulnerability Title
WordPress HashBar – WordPress Notification Bar plugin <= 2.0.0 - Cross Site Request Forgery (CSRF) vulnerability
Source: CVE Program / CVE List V5
Vulnerability 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.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
跨站请求伪造(CSRF)
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
DevItems HashBar – WordPress Notification Bar n/a ~ 2.0.0 -

II. Public POCs for CVE-2026-66602

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III. Intelligence Information for CVE-2026-66602

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Vendor Advisories for CVE-2026-66602 (1)

IV. Related Vulnerabilities

Same product: HashBar – WordPress Notification Bar
Same vendor: DevItems
Same weakness: CWE-352

V. Comments for CVE-2026-66602

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