WordPress plugin
Hello Bar Popup Builder security & vulnerabilities
No known unpatched vulnerabilities in the latest version
All 1 known vulnerability is fixed in the latest release. If you run an older version, update to null or newer.
- Critical0
- High0
- Medium1
- Low0
All Hello Bar Popup Builder vulnerabilities
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Hello Bar Popup Builder: common questions
Does Hello Bar Popup Builder have known vulnerabilities?
Yes. VulnCrest Radar lists 1 known vulnerability in Hello Bar Popup Builder: 1 medium. None are known to affect version null.
How do I check which version of Hello Bar Popup Builder 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 Hello Bar Popup Builder vulnerability?
CVE-2026-39666, published Feb 18, 2026: Hello Bar Popup Builder <= 1.5.1 - Authenticated (Contributor+) Stored Cross-Site Scripting. Severity: Medium (CVSS 6.4).
Is any Hello Bar Popup Builder vulnerability listed in CISA KEV?
No. None of the known Hello Bar Popup Builder vulnerabilities is currently listed in the CISA KEV catalog.