CVE-2026-85309: WordPress Ultimate Maps by Supsystic plugin <= 1.5.3 - Broken Access Control vulnerability

Published Sep 3, 2026
·
Updated

Missing Authorization vulnerability in Supsystic Ultimate Maps by Supsystic allows Exploiting Incorrectly Configured Access Control Security Levels.

This issue affects Ultimate Maps by Supsystic: from n/a through 1.5.3.

Affected Software

1 affected component
Supsystic Ultimate Maps by Supsystic<=1.5.3

Remediation

Recommended actions to resolve this vulnerability, in priority order.

  1. Upgrade

    Upgrade wordpress/Ultimate Maps by Supsystic (Supsystic Ultimate Maps by Supsystic) to a version that resolves this vulnerability.

    Fixed in 1.5.4

Event History

Sep 3, 2026
CVE Published
via MITRE·04:55 PM
Data Sourced
via MITRE·04:55 PM
RemedyDescriptionSeverityWeakness

Frequently Asked Questions

1

Which installations are affected?

Ultimate Maps by Supsystic versions through 1.5.3 are affected. The available data does not identify a lower affected version boundary.

2

Does exploitation require authentication or user interaction?

No. The CVSS vector indicates exploitation is network-accessible, requires no privileges, and does not require user interaction.

3

What is the expected impact of successful exploitation?

The reported impact is limited to integrity, with no reported confidentiality or availability impact. The CVSS base score is 5.3 (medium).

Contact

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