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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.

PUBLISHED Reserved 2026-03-19 | Published 2026-04-09 | Updated 2026-04-09 | Assigner Wordfence




MEDIUM: 6.4CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N

Problem types

CWE-79 Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

Product status

Default status
unaffected

Any version
affected

Timeline

2026-03-22:Vendor Notified
2026-04-08:Disclosed

Credits

Nguyen Ngoc Duc finder

References

www.wordfence.com/...-2a50-41fe-bc21-3d0915068887?source=cve

plugins.trac.wordpress.org/...m_map_v3/osm-sc-osm_map_v3.php

plugins.trac.wordpress.org/...m_map_v3/osm-sc-osm_map_v3.php

plugins.trac.wordpress.org/...m_map_v3/osm-sc-osm_map_v3.php

plugins.trac.wordpress.org/...m_map_v3/osm-sc-osm_map_v3.php

plugins.trac.wordpress.org/...r/osm/trunk/osm-icon-class.php

plugins.trac.wordpress.org/...tags/6.1.15/osm-icon-class.php

plugins.trac.wordpress.org/...r/osm/trunk/osm-icon-class.php

plugins.trac.wordpress.org/...tags/6.1.15/osm-icon-class.php

plugins.trac.wordpress.org/...50%40osm&sfp_email=&sfph_mail=

cve.org (CVE-2026-4429)

nvd.nist.gov (CVE-2026-4429)

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