CVE-2026-1042
Severity CVSS v4.0:
Pending analysis
Type:
CWE-79
Cross-Site Scripting (XSS)
Publication date:
20/01/2026
Last modified:
26/01/2026
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.
Impact
Base Score 3.x
4.40
Severity 3.x
MEDIUM
References to Advisories, Solutions, and Tools
- 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