What’s Vulnerable › Vulnerabilities

CVE-2026-1042: WP Hello Bar <= 1.02 - Authenticated (Administrator+) Stored Cross-Site Scripting via 'digit_one' and 'digit_two' Parameters

• Severity: medium (CVSS 4.4 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.2% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-01-20 · updated 2026-06-17
• Weakness: CWE-79

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 products

• norcross WP Hello Bar: through 1.02

References

• https://downloads.wordpress.org/plugin/wp-hello-bar.1.02.zip
• https://plugins.trac.wordpress.org/browser/wp-hello-bar/tags/1.02/wp-hello-bar.php#L152
• https://plugins.trac.wordpress.org/browser/wp-hello-bar/tags/1.02/wp-hello-bar.php#L214
• https://plugins.trac.wordpress.org/browser/wp-hello-bar/tags/1.02/wp-hello-bar.php#L222
• https://wordpress.org/plugins/wp-hello-bar/
• https://www.wordfence.com/threat-intel/vulnerabilities/id/73b55486-adb8-40c6-9113-c98618d9cb00?source=cve

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