CVE-2025-14440

Summary

The JAY Login & Register plugin for WordPress is vulnerable to authentication bypass in versions up to, and including, 2.4.01. This is due to incorrect authentication checking in the 'jay_login_register_process_switch_back' function with the 'jay_login_register_process_switch_back' cookie value. This makes it possible for unauthenticated attackers to log in as any existing user on the site, such as an administrator, if they have access to the user id.

Affected Software

Weaknesses

• CWE-565: CWE-565 Reliance on Cookies without Validation and Integrity Checking

ADP Enrichment

CISA ADP Vulnrichment

• SSVC:
• Exploitation: none
  • Automatable: yes
  • Technical Impact: total

References

• https://www.wordfence.com/threat-intel/vulnerabilities/id/928877a6-eeeb-4ed5-900b-9b1560e1bf87?source=cve
• https://plugins.trac.wordpress.org/browser/jay-login-register/tags/2.4.01/includes/jay-login-register-user-switching.php#L98
• https://plugins.trac.wordpress.org/changeset/3418754/

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