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OpenAdvisories
Medium · 4.4 CVE-2026-0734 EUVD-2026-2524GHSA-w273-xfmr-gwm6

WP Allowed Hosts <= 1.0.8 - Authenticated (Administrator+) Stored Cross-Site Scripting via 'allowed-hosts' Parameter

Published Jan 14, 2026 · Updated Apr 8, 2026 · Assigned by Wordfence

Description

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 products

VendorProductAffectedFixed
dfieldfl WP Allowed Hosts ≤ 1.0.8 —

References