Ultimate Maps by Supsystic – OpenStreetMap, Leaflet & Mapbox, No API Key vulnerabilities

Plugin slug ultimate-maps-by-supsystic · 10 known vulnerabilities · latest disclosed 2026-09-30 · WordPress.org page

Every listed vulnerability has a fix. Version 1.6.1 or later is not affected by any of them. If your site runs an older version, update it.

4 of 10 rated high or critical (CVSS 7 or more).

Known vulnerabilities in Ultimate Maps by Supsystic – OpenStreetMap, Leaflet & Mapbox, No API Key

SeverityAffected versionsFixed inCVEPublishedDetails
Medium 5.3<= 1.5.51.6.1CVE-2026-1023972026-09-30Advisory
High 7.2<= 1.5.51.6.1CVE-2026-1023962026-09-30Advisory
Medium 5.3<= 1.5.31.5.4CVE-2026-853092026-09-03Advisory
High 8.1< 1.5.01.5.0CVE-2026-733762026-08-18Advisory
High 7.2< 1.5.01.5.0CVE-2026-733752026-08-18Advisory
Medium 5.3< 1.5.01.5.0CVE-2026-733772026-08-18Advisory
Medium 4.3<= 1.2.161.2.17CVE-2024-312712024-04-05Advisory
Medium 4.4<= 1.2.151.2.16CVE-2023-67322024-01-12Advisory
Medium 6.1<= 1.2.41.2.5CVE-2021-242742021-04-19Advisory
High 7.2< 1.1.171.1.17none2021-02-08Advisory

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Questions

Is the Ultimate Maps by Supsystic – OpenStreetMap, Leaflet & Mapbox, No API Key plugin safe to use?

All 10 known issues are fixed in current versions (1.6.1 or later). Keeping it updated is what matters.

How do I check which version of Ultimate Maps by Supsystic – OpenStreetMap, Leaflet & Mapbox, No API Key my site runs?

In WordPress go to Plugins > Installed Plugins. From the outside, the free PluginPeek scan below reads the version from the site's public files.

How do I fix a vulnerable plugin?

Make a full backup, then update it from Dashboard > Updates and check the site afterwards. If you would rather not, we can do it for a fixed $99, paid after you have checked the site.

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