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Vulnerabilities and Security Researches

Vulnerabilities and security researches forwp-hello-bar wp-hello-bar

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Apr 16, 2026

WP Hello Bar # CVE-2026-1042

CVE, Research URL

CVE-2026-1042

Application

WP Hello Bar

Date
Jan 20, 2026
Research Description
The WP Hello Bar plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'digit_one' and 'digit_two' parameters in all versions up to, and including, 1.02 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with administrator-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.
Affected versions
max 1.02.
Status
vulnerable