CVE-2026-0734

Summary

The WP Allowed Hosts plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'allowed-hosts' parameter in all versions up to, and including, 1.0.8 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. This only affects multi-site installations and installations where unfiltered_html has been disabled.

Affected Software

Weaknesses

• CWE-79: CWE-79 Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

ADP Enrichment

CISA ADP Vulnrichment

• SSVC:
• Exploitation: none
  • Automatable: no
  • Technical Impact: partial

References

• https://www.wordfence.com/threat-intel/vulnerabilities/id/700e9d1c-a178-4033-8607-652178860211?source=cve
• https://plugins.trac.wordpress.org/browser/wp-allow-hosts/trunk/allowed-hosts.php#L170
• https://plugins.trac.wordpress.org/browser/wp-allow-hosts/tags/1.0.8/allowed-hosts.php#L170

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