Open User Map PRO <= 1.4.31 - Unauthenticated Stored Cross-Site Scripting via 'oum_location_notification'
CVE-2026-2827

4.7MEDIUM

Key Information:

Vendor

WordPress
Status
Open User Map Pro
Vendor
CVE Published:
11 June 2026

What is CVE-2026-2827?

The Open User Map PRO plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'oum_location_notification' parameter in versions up to, and including, 1.4.31 due to insufficient input sanitization and output escaping. This makes it possible for unauthenticated attackers to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.

Affected Version(s)

Open User Map PRO 0 <= 1.4.31

References

https://www.wordfence.com/threat-intel/vulnerabilities/id...
https://www.open-user-map.com/

CVSS V3.1

Score:
4.7
Severity:
MEDIUM
Confidentiality:
Low
Integrity:
Low
Availability:
Low
Attack Vector:
Network
Attack Complexity:
High
Privileges Required:
None
User Interaction:
Required
Scope:
Changed

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

Hunter Jensen
.