CVE-2026-4429
Received Received - Intake
Stored XSS in OSM WordPress Plugin Allows Script Injection

Publication date: 2026-04-09

Last updated on: 2026-04-09

Assigner: Wordfence

Description
The OSM – OpenStreetMap plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'marker_name' and 'file_color_list' shortcode attribute of the [osm_map_v3] shortcode in all versions up to and including 6.1.15. This is due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with Contributor-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.
CVSS Scores
EPSS Scores
Probability:
Percentile:
Meta Information
Published
2026-04-09
Last Modified
2026-04-09
Generated
2026-06-16
AI Q&A
2026-04-10
EPSS Evaluated
2026-06-15
NVD
CVE-2026-4429
EUVD
EUVD-2026-20837
Affected Vendors & Products
Showing 1 associated CPE
Vendor Product Version / Range
osmp osm_openstreetmap_plugin to 6.1.15 (inc)
Helpful Resources
Exploitability
CWE
CWE Icon
KEV
KEV Icon
CWE ID Description
CWE-79 The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users.
Attack-Flow Graph
AI Quick Actions
Instant insights powered by AI
Compliance Impact

The vulnerability allows authenticated attackers with Contributor-level access to inject arbitrary web scripts via stored cross-site scripting (XSS). This can lead to unauthorized script execution when users access affected pages.

Such unauthorized script execution can potentially lead to data exposure or manipulation, which may impact compliance with standards like GDPR or HIPAA that require protection of personal and sensitive data.

However, the provided information does not explicitly describe the direct impact on compliance with these regulations.

Executive Summary

The OSM – OpenStreetMap plugin for WordPress has a Stored Cross-Site Scripting (XSS) vulnerability in the 'marker_name' and 'file_color_list' shortcode attributes of the [osm_map_v3] shortcode. This vulnerability exists in all versions up to and including 6.1.15 due to insufficient input sanitization and output escaping.

Authenticated attackers with Contributor-level access or higher can exploit this vulnerability to inject arbitrary web scripts into pages. These scripts execute whenever any user accesses the injected page.

Impact Analysis

This vulnerability allows attackers with Contributor-level access to inject malicious scripts into web pages. When other users visit these pages, the injected scripts execute in their browsers.

  • It can lead to theft of user credentials or session tokens.
  • It can enable unauthorized actions on behalf of users.
  • It can damage the website's reputation and user trust.
Chat Assistant
Ask questions about this CVE
Hi! I’m here to help you understand CVE-2026-4429. Ask me anything about the vulnerability, its impact, or mitigation strategies.
0/70
EPSS Chart