EUVD-2026-20837
GHSA-xhg5-7962-f335
CVSS Vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N
Lifecycle Timeline
3Tags
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.
Analysis
Stored Cross-Site Scripting in OSM - OpenStreetMap WordPress plugin versions up to 6.1.15 allows authenticated attackers with Contributor-level access to inject arbitrary JavaScript through insufficiently sanitized 'marker_name' and 'file_color_list' shortcode attributes in [osm_map_v3], executing malicious scripts whenever users access affected pages. CVSS 6.4 reflects moderate severity with cross-site impact; exploitation requires valid WordPress user credentials but no user interaction beyond page access.
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External POC / Exploit Code
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