PT-2026-20217 · WordPress · Wp 404 Auto Redirect To Similar Post

Cody Sixteen · Published 2026-02-18 · Updated 2026-02-18 · CVE-2025-12037

Positive Technologies (AI Summary)

CVSS v3.1

4.4

Medium

Base vector

AV:N/AC:H/PR:H/UI:N/S:C/C:L/I:L/A:N

Name of the Vulnerable Software and Affected Versions WP 404 Auto Redirect to Similar Post plugin for WordPress versions prior to 1.0.6

Description The WP 404 Auto Redirect to Similar Post plugin for WordPress is susceptible to Stored Cross-Site Scripting through admin settings. Insufficient input sanitization and output escaping allow authenticated attackers with administrator-level permissions or higher to inject arbitrary web scripts into pages. These scripts will execute when a user accesses the injected page. This issue specifically impacts multi-site installations and those where unfiltered html has been disabled.

Recommendations Update the WP 404 Auto Redirect to Similar Post plugin to version 1.0.6 or later.

Fix

XSS

Weakness Enumeration

CWE-79

Related Identifiers

CVE-2025-12037

Affected Products

Wp 404 Auto Redirect To Similar Post

References · 7

• https://nvd.nist.gov/vuln/detail/CVE-2025-12037 · Security Note
• https://twitter.com/CVEarity/status/2024017623202296188 · Twitter Post
• https://twitter.com/VulmonFeeds/status/2024100177028501840 · Twitter Post
• https://wordfence.com/threat-intel/vulnerabilities/id/c20059de-9d81-4318-a015-8e402945828c?source=cve · Note
• https://plugins.trac.wordpress.org/log/wp-404-auto-redirect-to-similar-post · Note
• https://t.me/cveNotify/152267 · Telegram Post
• https://twitter.com/CVEnew/status/2023995920581382233 · Twitter Post