# CVE-2026-85309: Supsystic Ultimate Maps broken access control vulnerability

Source: https://junglewise.ai/threats/cve-2026-85309-supsystic-ultimate-maps-broken-access-control-vulnerability  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2026-09-03. Updated: 2026-09-25  
License: CC BY 4.0 with a link back

CVE-2026-85309 · Severity: medium · CVSS 5.3 · Published 2026-09-03

Supsystic Ultimate Maps is a WordPress plugin for displaying interactive maps on websites. A missing authorization flaw allows unauthenticated users to access pages or perform actions they shouldn't be able to, such as viewing other users' data, without requiring authentication or proper permission checks.

Technologies: [Supsystic Ultimate Maps](https://junglewise.ai/threats/technologies/ultimate-maps). Vendors: [Supsystic](https://junglewise.ai/threats/vendors/supsystic).

## Quick answers

**Is CVE-2026-85309 exploited in the wild?** No. Junglewise Threat Intelligence has no report of CVE-2026-85309 being exploited in the wild.

**How severe is CVE-2026-85309?** Medium severity, with a CVSS score of 5.3, published 3 September 2026.

**Which products and versions are affected?** Supsystic Ultimate Maps through 1.5.3.

**Is there a fix for CVE-2026-85309?** A patch was published on 2026-09-03: Version 1.5.4 released Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.

**How is CVE-2026-85309 attacked?** It is attacked over the network.

**Am I affected by CVE-2026-85309?** Check whether you run Supsystic Ultimate Maps at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

## Technical details

This vulnerability is a broken access control issue (CWE-284) in Supsystic Ultimate Maps plugin through version 1.5.3. The plugin fails to properly validate user permissions before allowing access to sensitive functionality or data. The attack requires no authentication and is reachable over the network via standard HTTP requests. An attacker can exploit this to access restricted pages, view unauthorized data, or perform privileged actions. The vulnerability has been patched in version 1.5.4.

## Affected products

- Supsystic Ultimate Maps through 1.5.3

## Timeline

- 2026-08-31: disclosed: Reported to Patchstack
- 2026-09-03: advisory: Published by Patchstack and NVD
- 2026-09-03: patched: Version 1.5.4 released

## References

- [https://wordpress.org/plugins](https://wordpress.org/plugins)
- [https://patchstack.com/database/wordpress/plugin/ultimate-maps-by-supsystic/vulnerability/wordpress-ultimate-maps-by-supsystic-plugin-1-5-3-broken-access-control-vulnerability?_s_id=cve](https://patchstack.com/database/wordpress/plugin/ultimate-maps-by-supsystic/vulnerability/wordpress-ultimate-maps-by-supsystic-plugin-1-5-3-broken-access-control-vulnerability?_s_id=cve)

## Related threats

- [Supsystic Ultimate Maps broken access control](https://junglewise.ai/threats/cve-2026-102397-unauthenticated-broken-access-control-in-ultimate-maps-by)
- [Supsystic Ultimate Maps cross-site scripting](https://junglewise.ai/threats/cve-2026-102396-unauthenticated-cross-site-scripting-xss-in-ultimate-maps-by)
- [Supsystic Ultimate Maps SQL injection in sidx parameter](https://junglewise.ai/threats/cve-2020-37242-supsystic-ultimate-maps-sql-injection-in-sidx-parameter)