Is CVE-2026-39720 exploited in the wild?

No. Junglewise Threat Intelligence has no report of CVE-2026-39720 being exploited in the wild.

How severe is CVE-2026-39720?

High severity, with a CVSS score of 7.1, published 6 October 2026.

Is there a fix for CVE-2026-39720?

No fixed version is recorded yet. Check the vendor's advisory in the references below. If you run it, Junglewise drafts a mitigation that fits your setup and applies it once you approve, with senior security engineers behind it.

How is CVE-2026-39720 attacked?

It is attacked over the network, in a web application.

Am I affected by CVE-2026-39720?

Check whether you run Mapster WP 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.

CVE-2026-39720: Mapster WP Maps Cross-Site Scripting (XSS) vulnerability

CVE-2026-39720 · Severity: high · CVSS 7.1 · Published 2026-10-06

Mapster WP Maps is a WordPress plugin that provides map functionality for websites. An unauthenticated attacker can inject malicious scripts into the plugin, which execute in the browsers of site visitors, potentially stealing session cookies, credentials, or redirecting users to malicious sites.

Technologies: Mapster WP Maps. Vendors: Mapster.

Quick answers

Is CVE-2026-39720 exploited in the wild?: No. Junglewise Threat Intelligence has no report of CVE-2026-39720 being exploited in the wild.
How severe is CVE-2026-39720?: High severity, with a CVSS score of 7.1, published 6 October 2026.
Which products and versions are affected?: Mapster WP Maps <=2.0.4.
Is there a fix for CVE-2026-39720?: No fixed version is recorded yet. Check the vendor's advisory in the references below. If you run it, Junglewise drafts a mitigation that fits your setup and applies it once you approve, with senior security engineers behind it.
How is CVE-2026-39720 attacked?: It is attacked over the network, in a web application.
Am I affected by CVE-2026-39720?: Check whether you run Mapster WP 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

The vulnerability is an unauthenticated Cross-Site Scripting (XSS) flaw in Mapster WP Maps affecting versions 2.0.4 and earlier. The XSS can be triggered without authentication, meaning any network attacker can craft a malicious request to inject and execute arbitrary JavaScript in the context of vulnerable websites.

Affected products

Mapster WP Maps <=2.0.4

Timeline

2026-10-06: disclosed

References

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