CVE-2026-2277

The rexCrawler plugin for WordPress is vulnerable to Reflected Cross-Site Scripting via the 'url' and 'regex' parameters in the search-pattern tester page in all versions up to, and including, 1.0.15 due to insufficient input sanitization and output escaping. This makes it possible for unauthenticated attackers to inject arbitrary web scripts in pages that execute if they can successfully trick an administrator into performing an action such as clicking on a link. This only affects multi-site installations and installations where unfiltered_html has been disabled.

• CWE-79

• https://plugins.trac.wordpress.org/browser/rexcrawler/tags/1.0.15/admin_regex_test.php#L25
• https://plugins.trac.wordpress.org/browser/rexcrawler/tags/1.0.15/admin_regex_test.php#L29
• https://plugins.trac.wordpress.org/browser/rexcrawler/trunk/admin_regex_test.php#L25
• https://plugins.trac.wordpress.org/browser/rexcrawler/trunk/admin_regex_test.php#L29
• https://www.wordfence.com/threat-intel/vulnerabilities/id/2a17f466-bc4b-4668-8ff9-e8b316e3b5b7?source=cve

Published

Mar 21, 2026

Last Modified

Jun 17, 2026

Status

Deferred

• How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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