Arbitrary File Deletion Vulnerability in WP User Manager Plugin by WordPress
CVE-2026-49766

9.9CRITICAL

Key Information:

Vendor

WordPress
Status
WP User Manager
Vendor
CVE Published:
15 June 2026

What is CVE-2026-49766?

The WP User Manager plugin for WordPress is susceptible to an arbitrary file deletion vulnerability that could allow attackers to delete critical files on the server. This security flaw affects versions 2.9.16 and earlier, potentially compromising the integrity and availability of the affected WordPress sites. Site administrators are urged to assess their installations and apply necessary updates to safeguard against unauthorized file manipulation.

Affected Version(s)

WP User Manager <= 2.9.16

References

https://patchstack.com/database/wordpress/plugin/wp-user-...
vdb-entry

CVSS V3.1

Score:
9.9
Severity:
CRITICAL
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
None
Scope:
Changed

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

endy | Patchstack Bug Bounty Program
.