Vulnerability Description
The Import and export users and customers plugin for WordPress is vulnerable to privilege escalation in all versions up to, and including, 1.29.7. This is due to the 'save_extra_user_profile_fields' function not properly restricting which user meta keys can be updated via profile fields. The 'get_restricted_fields' method does not include sensitive meta keys such as 'wp_capabilities'. This makes it possible for unauthenticated attackers to escalate their privileges to Administrator by submitting a crafted registration request that sets the 'wp_capabilities' meta key. The vulnerability can only be exploited if the "Show fields in profile" setting is enabled and a CSV with a wp_capabilities column header has been previously imported.
CVSS Score
HIGH
Related Weaknesses (CWE)
References
- https://plugins.trac.wordpress.org/browser/import-users-from-csv-with-meta/tags/
- https://plugins.trac.wordpress.org/browser/import-users-from-csv-with-meta/tags/
- https://plugins.trac.wordpress.org/browser/import-users-from-csv-with-meta/tags/
- https://plugins.trac.wordpress.org/changeset/3483330/import-users-from-csv-with-
- https://www.wordfence.com/threat-intel/vulnerabilities/id/48dd9098-38e6-49da-8d2
FAQ
What is CVE-2026-3629?
CVE-2026-3629 is a vulnerability with a CVSS score of 8.1 (HIGH). The Import and export users and customers plugin for WordPress is vulnerable to privilege escalation in all versions up to, and including, 1.29.7. This is due to the 'save_extra_user_profile_fields' f...
How severe is CVE-2026-3629?
CVE-2026-3629 has been rated HIGH with a CVSS base score of 8.1/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2026-3629?
Check the references section above for vendor advisories and patch information. Review vendor security bulletins for remediation guidance.