WordPress plugin
WP Hello Bar security & vulnerabilities
Unpatched vulnerability in the latest version
At least one vulnerability affects the latest version and no fix has been released. Deactivate the plugin or restrict access to the affected feature until the vendor ships a patch.
- Critical0
- High0
- Medium1
- Low0
All WP Hello Bar vulnerabilities
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WP Hello Bar: common questions
Does WP Hello Bar have known vulnerabilities?
Yes. VulnCrest Radar lists 1 known vulnerability in WP Hello Bar: 1 medium. At least one is not fixed in the latest version.
How do I check which version of WP Hello Bar 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 WP Hello Bar vulnerability?
CVE-2026-1042, published Jan 19, 2026: WP Hello Bar <= 1.02 - Authenticated (Administrator+) Stored Cross-Site Scripting via 'digit_one' and 'digit_two' Parameters. Severity: Medium (CVSS 4.4).
Is any WP Hello Bar vulnerability listed in CISA KEV?
No. None of the known WP Hello Bar vulnerabilities is currently listed in the CISA KEV catalog.