Cross Site Scripting Vulnerability in Mapster WP Maps Plugin
CVE-2026-39720

7.1HIGH

Key Information:

Vendor

WordPress
Status
Mapster WP Maps
Vendor
CVE Published:
6 October 2026

What is CVE-2026-39720?

The Mapster WP Maps plugin for WordPress suffers from an unauthenticated Cross Site Scripting (XSS) vulnerability. This security flaw exists in versions 2.0.4 and earlier, allowing attackers to inject malicious scripts through user input fields. Successful exploitation may lead to unauthorized actions performed on behalf of users, potentially compromising sensitive information and site integrity. Users and administrators are encouraged to update to the latest version to mitigate this vulnerability and enhance their security posture.

Affected Version(s)

Mapster WP Maps <= 2.0.4

References

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

CVSS V3.1

Score:
7.1
Severity:
HIGH
Confidentiality:
Low
Integrity:
Low
Availability:
Low
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
Required
Scope:
Changed

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

Ananda Dhakal (Patchstack) | Patchstack Bug Bounty Program
.