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Security Hardener vulnerabilities

1 tracked advisories · slug security-hardener

Important: Security Hardener appearing in this catalog does not mean your website is affected. Exposure depends on your installed version. How SiteRespond intelligence works

Tracked advisories

1

Latest advisory

22 August 2026

CISA KEV matches

0

In this WordPress feed

WordPress slug

security-hardener

Plugin

What this means for Security Hardener

This catalog lists 1 known advisories affecting Security Hardener. The most recent was published on 22 August 2026. If you use this software, compare your installed version against the affected ranges on each advisory and update to a fixed release outside those ranges. SiteRespond Defence checks your actual installed version when the plugin is connected — listing here does not by itself mean your site is vulnerable.

Latest issues

  • Security Hardener <= 2.4.4 - Authenticated (Subscriber+) Privilege Escalation via REST API '/wp/v2/users' permission_callback Overwrite

    May allow a lower-privilege user to perform actions reserved for administrators.

    Published 22 August 2026

Vulnerability types

  • Privilege escalation1

Authentication (inferred from titles)

  • Unauthenticated0
  • Authenticated1
  • Unspecified0

Advisory history

Known Security Hardener advisories published by month.

All advisories

Check whether your installed version is affected

SiteRespond Defence matches your installed Security Hardener version against this catalog when the Defence plugin is connected to your WordPress site.

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