WP Vulnerability WatchVulnerability data as of September 7, 2026

Known vulnerabilities in WP User Merger

WP User Merger is a WordPress plugin that allows you to merge two different users with seletable user fields.

3Reported vulnerabilities
8.8Highest CVSS score
1.6.5Latest version
300+Active installs

What to do now

Update WP User Merger to 1.5.3 or later. 3 of these have a fixed version available. Updating resolves them.

Plugin last updated: April 3, 2026 / Tested up to WordPress: 6.9.7 / View on wordpress.org

Reported vulnerabilities

Ordered by how urgently they need attention — whether a vulnerability is actually being exploited, and how likely exploitation is, rather than CVSS severity alone.

CVESeverityExploit probability
next 30 days		 Affected versionsFixed inPublished
CVE-2022-3865 High 8.8 1.1% Before 1.5.3 1.5.3 November 28, 2022
CVE-2022-3849 High 8.8 1.1% Before 1.5.3 1.5.3 November 28, 2022
CVE-2022-3848 High 8.8 1.1% Before 1.5.3 1.5.3 November 28, 2022

Sources: vulnerability records from NVD, exploitation from CISA KEV, exploit probability from EPSS. Affected versions come from CPE ranges or from the reporting CNA.