What’s Vulnerable › Vulnerabilities

CVE-2026-1730: OS DataHub Maps <= 1.8.3 - Authenticated (Author+) Arbitrary File Upload

• Severity: high (CVSS 8.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.6% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-02-03 · updated 2026-06-17
• Weakness: CWE-434

Description

The OS DataHub Maps plugin for WordPress is vulnerable to arbitrary file uploads due to incorrect file type validation in the 'OS_DataHub_Maps_Admin::add_file_and_ext' function in all versions up to, and including, 1.8.3. This makes it possible for authenticated attackers, with Author-level access and above, to upload arbitrary files on the affected site's server which may make remote code execution possible.

Affected products

• skirridsystems OS DataHub Maps: through 1.8.3

References

• https://plugins.trac.wordpress.org/browser/os-datahub-maps/trunk/include/osmap-admin.php?rev=3449192#L51
• https://plugins.trac.wordpress.org/browser/os-datahub-maps/trunk/include/osmap-admin.php?rev=3449192#L67
• https://plugins.trac.wordpress.org/browser/os-datahub-maps/trunk/os-datahub-maps.php?rev=3449192#L87
• https://plugins.trac.wordpress.org/changeset/3452323/os-datahub-maps
• https://www.wordfence.com/threat-intel/vulnerabilities/id/c32ba2a0-a9a7-4f17-8169-912cecc40b7b?source=cve

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