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Access violation vulnerability in Ultimate Member – User Profile, Registration, Login, Member Directory, Content Restriction & Membership Plugin 2.6.6

  • Severity: critical
  • Status: Fixed
  • Publication: June 29, 2023

The Ultimate Member plugin for WordPress is vulnerable to a security issue that could allow unauthenticated attackers to gain access to a site as an administrator. This is a problem in versions of the plugin up to and including 2.6.6. This is because the plugin has a list of user meta keys that are restricted, but attackers can find a way around this list by adding slashes to the user meta key.

Detected in:

Ultimate Member – User Profile, Registration, Login, Member Directory, Content Restriction & Membership Plugin fixed vulnerable versions: >= * <= 2.6.6

This information is sourced from www.wpvulnerability.com. An open-source database of vulnerabilities maintained by the community. Help us out by submitting vulnerabilities!

Version compare shows which versions have a vulnerability. For example: >= 2.2.8 <= 2.2.21 means:

> from 2.2.8
= including 2.2.8 & 2.2.21
< to 2.2.21

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