PT-2026-31570 · WordPress · Osm – Openstreetmap Plugin

Published 2026-04-09 · Updated 2026-04-10 · CVE-2026-4429

Positive Technologies (AI Summary)

CVSS v3.1

6.4

Medium

Base vector

AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N

Name of the Vulnerable Software and Affected Versions OSM – OpenStreetMap plugin for WordPress versions up to and including 6.1.15

Description The OSM – OpenStreetMap plugin for WordPress is susceptible to Stored Cross-Site Scripting through the marker name and file color list shortcode attributes of the [osm map v3] shortcode. Insufficient input sanitization and output escaping allow authenticated attackers with Contributor-level access or higher to inject arbitrary web scripts into pages. These scripts will execute when a user accesses the injected page.

Recommendations Update the OSM – OpenStreetMap plugin for WordPress to a version later than 6.1.15.

Fix

XSS

Weakness Enumeration

CWE-79

Related Identifiers

CVE-2026-4429

Affected Products

Osm – Openstreetmap Plugin

References · 15

• https://nvd.nist.gov/vuln/detail/CVE-2026-4429 · Security Note
• https://twitter.com/CVEarity/status/2042490982793691616 · Twitter Post
• https://plugins.trac.wordpress.org/browser/osm/tags/6.1.15/osm-icon-class.php#L356 · Note
• https://twitter.com/CVEnew/status/2042101281385300405 · Twitter Post
• https://plugins.trac.wordpress.org/changeset?sfp_email=&sfph_mail=&reponame=&old=3493950%40osm&new=3493950%40osm&sfp_email=&sfph_mail= · Note
• https://plugins.trac.wordpress.org/browser/osm/trunk/osm-icon-class.php#L356 · Note
• https://plugins.trac.wordpress.org/browser/osm/trunk/osm_map_v3/osm-sc-osm_map_v3.php#L560 · Note
• https://plugins.trac.wordpress.org/browser/osm/trunk/osm_map_v3/osm-sc-osm_map_v3.php#L31 · Note
• https://twitter.com/infoflowcloud/status/2042103366080233766 · Twitter Post
• https://plugins.trac.wordpress.org/browser/osm/trunk/osm-icon-class.php#L347 · Note
• https://plugins.trac.wordpress.org/browser/osm/tags/6.1.15/osm-icon-class.php#L347 · Note
• https://twitter.com/VulmonFeeds/status/2042280179913867692 · Twitter Post
• https://plugins.trac.wordpress.org/browser/osm/tags/6.1.15/osm_map_v3/osm-sc-osm_map_v3.php#L31 · Note
• https://wordfence.com/threat-intel/vulnerabilities/id/65dffde9-2a50-41fe-bc21-3d0915068887?source=cve · Note
• https://plugins.trac.wordpress.org/browser/osm/tags/6.1.15/osm_map_v3/osm-sc-osm_map_v3.php#L560 · Note