The WP 404 Auto Redirect to Similar Post plugin for WordPress is vulnerable to Stored Cross-Site Scripting via admin settings in all versions up to, and including, 1.0.5 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with administrator-level permissions 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.
Advisories

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Fixes

Solution

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Workaround

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History

Wed, 18 Feb 2026 11:00:00 +0000

Type Values Removed Values Added
First Time appeared Hwk
Hwk wp 404 Auto Redirect To Similar Post
Wordpress
Wordpress wordpress
Vendors & Products Hwk
Hwk wp 404 Auto Redirect To Similar Post
Wordpress
Wordpress wordpress

Wed, 18 Feb 2026 05:00:00 +0000

Type Values Removed Values Added
Description The WP 404 Auto Redirect to Similar Post plugin for WordPress is vulnerable to Stored Cross-Site Scripting via admin settings in all versions up to, and including, 1.0.5 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with administrator-level permissions 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.
Title WP 404 Auto Redirect <= 1.0.5 - Authenticated (Admin+) Stored Cross-Site Scripting
Weaknesses CWE-79
References
Metrics cvssV3_1

{'score': 4.4, 'vector': 'CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:C/C:L/I:L/A:N'}


Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: Wordfence

Published:

Updated: 2026-02-18T04:35:44.672Z

Reserved: 2025-10-21T17:49:17.129Z

Link: CVE-2025-12037

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Awaiting Analysis

Published: 2026-02-18T05:16:08.440

Modified: 2026-02-18T17:51:53.510

Link: CVE-2025-12037

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-02-18T10:32:53Z

Weaknesses