Plugins · wp-404-auto-redirect-to-similar-post · data as of 2026-11-04
Is WP 404 Auto Redirect to Similar Post safe? Known vulnerabilities and latest version
- Latest version
- 1.0.6
- Last updated
- 2025-11-21
- Active installs
- 30,000+
- Known issues on record
- 4
- Unpatched in latest
- 0
- Tested up to WP
- 6.8.12 · PHP 5.6+
Automatically Redirect any 404 page to a Similar Post based on the Title Post Type & Taxonomy using 301 or 302 Redirects! — by Konrad Chmielewski
What to do
- Update to the latest version (1.0.6). Anything older than 1.0.6 has at least one known issue listed below. Dashboard → Updates, or Plugins → “update now”.
- If you cannot update right away, deactivate it until you can.
- Turn on auto-updates for it: Plugins → “Enable auto-updates” on its row.
- If you ran a vulnerable version and something looks off (spam pages, strange admins, redirects), run the free scan.
With WP-CLI: wp plugin get wp-404-auto-redirect-to-similar-post --field=version shows what you run; wp plugin update wp-404-auto-redirect-to-similar-post updates it.
Check your version
Known vulnerabilities
4 on record, newest first. “Affected” is the version range the source gives; “fixed in” is the version the source names, or (marked *) the first wordpress.org release after the last affected version.
medium 4.4 CVE-2025-12037 · published 2026-02-18
Stored cross-site scripting (XSS) in WP 404 Auto Redirect to Similar Post (1.0.5 and older)
- Affected
- 1.0.5 and older
- Fixed in
- 1.0.6 *
- Access needed (per CVSS)
- Needs an admin-level account
- Range from
- CVE record (the advisory publisher) · score by Wordfence
Details from the advisory
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.
high 7.1 CVE-2024-32559 · published 2024-04-18
Reflected cross-site scripting (XSS) in WP 404 Auto Redirect to Similar Post (1.0.4 and older)
- Affected
- 1.0.4 and older
- Fixed in
- 1.0.5 *
- Access needed (per CVSS)
- No login needed; someone on the site has to click a link or open a page
- Range from
- CVE record (the advisory publisher) · score by Patchstack
Details from the advisory
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in hwk-fr WP 404 Auto Redirect to Similar Post allows Reflected XSS.This issue affects WP 404 Auto Redirect to Similar Post: from n/a through 1.0.4.
medium 6.1 CVE-2024-0509 · published 2024-02-05
Reflected cross-site scripting (XSS) in WP 404 Auto Redirect to Similar Post (1.0.3 and older)
- Affected
- 1.0.3 and older
- Fixed in
- 1.0.4 *
- Access needed (per CVSS)
- No login needed; someone on the site has to click a link or open a page
- Range from
- CVE record (the advisory publisher) · score by NVD
Details from the advisory
The WP 404 Auto Redirect to Similar Post plugin for WordPress is vulnerable to Reflected Cross-Site Scripting via the ‘request’ parameter in all versions up to, and including, 1.0.3 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 a user into performing an action such as clicking on a link.
medium 4.8 CVE-2023-40206 · published 2023-09-04
Stored cross-site scripting (XSS) in WP 404 Auto Redirect to Similar Post (1.0.3 and older)
- Affected
- 1.0.3 and older
- Fixed in
- 1.0.4 *
- Access needed (per CVSS)
- Needs an admin-level account; someone on the site has to click a link or open a page
- Range from
- CVE record (the advisory publisher) · score by NVD
Details from the advisory
Auth. (admin+) Stored Cross-Site Scripting (XSS) vulnerability in hwk-fr WP 404 Auto Redirect to Similar Post plugin <= 1.0.3 versions.
Recent activity
- 2025-11-21 — latest release on wordpress.org (1.0.6).
- 2026-02-18 — Stored cross-site scripting (XSS) disclosed (CVE-2025-12037), fixed in 1.0.6.
- 2024-04-18 — Reflected cross-site scripting (XSS) disclosed (CVE-2024-32559), fixed in 1.0.5.
- 2024-02-05 — Reflected cross-site scripting (XSS) disclosed (CVE-2024-0509), fixed in 1.0.4.
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Browse vulnerabilities
- Published this week
- Unpatched in the latest version
- By type of vulnerability
- Plugins by Konrad Chmielewski (2 tracked)
Types found in this plugin: Cross-site scripting (XSS) (4)
Where this data comes from
- Version, last update, installs: wordpress.org/plugins/wp-404-auto-redirect-to-similar-post (Plugins API), fetched 2026-11-04.
- Vulnerabilities: NIST National Vulnerability Database (NVD), checked 2026-11-04. This product uses data from the NVD API but is not endorsed or certified by the NVD.
- Each record links to its CVE page and to the original advisory (Wordfence, Patchstack or WPScan) where there is one. We only list a CVE here when its references or its advisory name this exact plugin, so a few real issues may be missing; none should be about a different plugin. Spot an error? Email Daniel.
Badge for your site or docs (states facts with a date, not a verdict):
<a href="https://laskyr.com/plugins/wp-404-auto-redirect-to-similar-post"><img src="https://laskyr.com/plugins/wp-404-auto-redirect-to-similar-post/badge.svg" alt="WP 404 Auto Redirect to Similar Post vulnerability status"></a>