CVE-2026-49766 CRITICAL

CVE-2026-49766: WordPress WP User Manager plugin <= 2.9.16 - Arbitrary File Deletion vulnerability

Vendor Wp User Manager

Product WP User Manager

Weakness CWE-22 · Path traversal

Published June 15, 2026

Last update June 15, 2026

View on NVD All CVEs

CVSS base score

9.9/10

Attack vector Network

Attack complexity Low

Privileges required Low

User interaction None

Confidentiality High

Integrity High

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H

What the vulnerability does

01Description

Subscriber Arbitrary File Deletion in WP User Manager <= 2.9.16 versions.

Explanation of Vulnerability in Simple Terms

02Summary

WP User Manager versions up to 2.9.16 contain a path traversal vulnerability that allows authenticated users to read, modify, or delete arbitrary files on the server. An attacker with low-level site access can bypass file restrictions and access sensitive data outside the intended directories. This affects confidentiality, integrity, and availability of the entire site.

What an attacker can do

03Attacker Capabilities

Read, modify, or delete arbitrary files on the server outside intended directories.

Potential impact on your site

04Site Impact

Attackers with basic site access can compromise site files, steal configuration data, or disable the site entirely.

Conditions required to exploit

05Prerequisites

Attacker must have a low-privilege user account on the site (e.g., subscriber or contributor role).

Key dates

06Disclosure timeline

June 15, 2026 CVE published

External resources

07References

NVD — National Vulnerability Database https://nvd.nist.gov/vuln/detail/CVE-2026-49766 CWE — Common Weakness Enumeration https://cwe.mitre.org/data/definitions/22.html AskarLabs — CWE-22 write-up Path Traversal

Related vulnerabilities

Identifiers

CVE CVE-2026-49766

CWE CWE-22

CVSS 9.9 / CRITICAL

Affected versions