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Hello Bar Popup Builder

Hello Bar Popup Builder is a WordPress component with 1 published CVE record in this archive. The latest tracked vulnerability was published Apr 08, 2026; the highest CVE/CNA score is 6.5.

Plugin slug: hellobar

CVE-2026-39666: Hello Bar Popup Builder: Cross-site scripting

Hello Bar Popup Builder is affected by cross-site scripting. Exposure depends on how the affected operation is made reachable by the site. Injected script can execute in the affected site's origin when the vulnerable output is viewed. The published affected range is <= 1.5.1.

PublishedApr 08, 2026
Known safe version> 1.5.1
Safe version
Apr 08, 2026 CVE-2026-39666
Hello Bar Popup Builder: Cross-site scripting
Hello Bar Popup Builder is affected by cross-site scripting. Exposure depends on how the affected operation is made reachable by the site. Injected script can execute in the affected site's origin when the vulnerable output is viewed. The published affected range is <= 1.5.1.
> 1.5.1
CVE6.5
NVDPending