CVE-2023-51372

WordPress HashBar – WordPress Notification Bar Plugin <= 1.4.1 is vulnerable to Cross Site Scripting (XSS)

Published Dec 29, 2023 CVSS 3.1 · 5.9 Medium EPSS < 1% KEV · Not listed
Description
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in HasThemes HashBar – WordPress Notification Bar allows Stored XSS.This issue affects HashBar – WordPress Notification Bar: from n/a through 1.4.1.

Remediation

Vendor Solution

Update to 1.4.2 or a higher version

Tracking

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Advisories

Source ID Title
EUVD EUVD EUVD-2023-56093 Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in HasThemes HashBar – WordPress Notification Bar allows Stored XSS.This issue affects HashBar – WordPress Notification Bar: from n/a through 1.4.1.
History
Type Values Removed Values Added
Description Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in HasThemes HashBar – WordPress Notification Bar allows Stored XSS.This issue affects HashBar – WordPress Notification Bar: from n/a through 1.4.1. Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in HasThemes HashBar – WordPress Notification Bar allows Stored XSS.This issue affects HashBar – WordPress Notification Bar: from n/a through 1.4.1.
Type Values Removed Values Added
Metrics ssvc

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

Weaknesses

Sources

Status
PUBLISHED
Assigner
Patchstack
Published
Updated
Apr 28, 2026, 4:09 PM
Reserved
Dec 18, 2023, 3:51 PM
Status
Modified
Published
Dec 29, 2023, 11:15 AM
Modified
Jun 17, 2026, 6:40 AM