Mapster WP Maps <= 1.20.0 - Authenticated (Contributor+) Stored Cross-Site Scripting
Key facts
- Attack vector
- Network
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Cross-site scripting
- Confidentiality · integrity · availability
- Low · Low · None
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-79.
Summary
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.
Why it matters now
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2025-9044
- 2026-10-03 Alias added: GHSA-ghjc-mqcr-m429
References
Other 6
- 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=
More mapster vulnerabilities
- TI-2026-11023 Improper input validation in Mapster WP Maps CVSS 3.1HIGH 8.8
- TI-2024-08571 Mapster WP Maps <= 1.5.0 - Incorrect Authorization to Authenticated (Contributor+) Arbitrary Options Update CVSS 3.1HIGH 8.8
- TI-2026-82329 Unauthenticated stored cross-site scripting in Mapster WP Maps CVSS 3.1HIGH 7.2
- TI-2026-67933 Cross-site scripting in Mapster WP Maps WordPress plugin CVSS 3.1HIGH 7.1
- TI-2024-09814 Mapster WP Maps <= 1.6.0 - Authenticated (Contributor+) Stored Cross-Site Scripting CVSS 3.1MEDIUM 6.4
- TI-2024-14430 WordPress Mapster WP Maps Plugin <= 1.2.38 is vulnerable to Cross Site Scripting (XSS) CVSS 3.1MEDIUM 6.5
Sources
- CVE-2025-9044 · CVE Program
- CVE-2025-9044 · NVD
- FIRST EPSS
- GHSA-ghjc-mqcr-m429 · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences