WordPress plugin
HashBar – Announcement, Notification Bar & Popup Campaign security & vulnerabilities
No known unpatched vulnerabilities in the latest version
All 4 known vulnerabilities are fixed in the latest release. If you run an older version, update to null or newer.
- Critical0
- High0
- Medium4
- Low0
All HashBar – Announcement, Notification Bar & Popup Campaign vulnerabilities
| Severity | Vulnerability | CVE | Published |
|---|---|---|---|
| Medium4.9 | Authenticated (Administrator+) SQL Injection ≤2.0.3Update to 2.0.4 | CVE-2026-94117 | |
| Medium4.3 | Cross-Site Request Forgery ≤2.0.0Update to 2.0.1 | CVE-2026-66602 | |
| Medium6.4 | Authenticated (Author+) Stored Cross-Site Scripting <1.4.2Update to 1.4.2 | CVE-2023-51372 | |
| Medium6.4 | Authenticated (Contributor+) Stored Cross-Site Scripting via Shortcode ≤1.3.5Update to 1.3.6 | CVE-2022-4650 |
- Medium4.9Authenticated (Administrator+) SQL Injection
≤2.0.3Update to 2.0.4
- Medium4.3Cross-Site Request Forgery
≤2.0.0Update to 2.0.1
- Medium6.4Authenticated (Author+) Stored Cross-Site Scripting
<1.4.2Update to 1.4.2
- Medium6.4Authenticated (Contributor+) Stored Cross-Site Scripting via Shortcode
≤1.3.5Update to 1.3.6
HashBar – Announcement, Notification Bar & Popup Campaign: common questions
Does HashBar – Announcement, Notification Bar & Popup Campaign have known vulnerabilities?
Yes. VulnCrest Radar lists 4 known vulnerabilities in HashBar – Announcement, Notification Bar & Popup Campaign: 4 medium. None are known to affect version null.
How do I check which version of HashBar – Announcement, Notification Bar & Popup Campaign I run?
In wp-admin open Plugins → Installed Plugins; the version is shown under the name. Without admin access, our passive Check my site tool can often read it from public files.
What is the most recent HashBar – Announcement, Notification Bar & Popup Campaign vulnerability?
CVE-2026-94117, published Sep 21, 2026: HashBar – Announcement, Notification Bar & Popup Campaign <= 2.0.3 - Authenticated (Administrator+) SQL Injection. Severity: Medium (CVSS 4.9).
Is any HashBar – Announcement, Notification Bar & Popup Campaign vulnerability listed in CISA KEV?
No. None of the known HashBar – Announcement, Notification Bar & Popup Campaign vulnerabilities is currently listed in the CISA KEV catalog.