Quick answers
- Is CVE-2026-118638 exploited in the wild?
- No. Junglewise Threat Intelligence has no report of CVE-2026-118638 being exploited in the wild.
- How severe is CVE-2026-118638?
- Informational severity, published 31 October 2026.
- Which products and versions are affected?
- Mapster WP Maps before 2.0.6.
- Is there a fix for CVE-2026-118638?
- Yes: fixed in 2.0.6. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.
- How is CVE-2026-118638 attacked?
- It is in a web application.
- Am I affected by CVE-2026-118638?
- 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.
How to fix
- Fixed in: 2.0.6
Technical details
The plugin's save-mapmaker REST API route fails to perform authorization checks, allowing unauthenticated access to post data write operations. Attackers can exploit this via the network to modify post titles, create arbitrary published posts, and alter plugin configuration without authentication. A fix is available in version 2.0.6.
Affected products
- Mapster Mapster WP Maps before 2.0.6
Timeline
- 2026-10-29: disclosed
- 2026-10-31: advisory