Security readout for executives and security teams
Plain-English summary
CVE-2026-1730 affects the OS DataHub Maps WordPress plugin through version 1.8.3. A logged-in user with Author-level access or higher may upload files the site should reject. In the worst case, this could let an attacker run code on the web server. No provided source shows active exploitation.
Executive priority
Treat as urgent for affected WordPress sites because a normal content-author account could become a server compromise path. Prioritize public-facing sites and sites with many contributors.
Technical view
The flaw is CWE-434 arbitrary file upload caused by incorrect file type validation in OS_DataHub_Maps_Admin::add_file_and_ext. CVSS is 8.8, network exploitable, low complexity, requiring low privileges and no user interaction. Impact is rated high for confidentiality, integrity, and availability.
Likely exposure
WordPress sites using OS DataHub Maps versions up to and including 1.8.3 are potentially exposed, especially if untrusted or compromised Author-level accounts exist.
Exploitation context
Exploitation requires authenticated WordPress access at Author level or above. Sources say arbitrary uploads may make remote code execution possible, but do not confirm public exploitation.
Researcher notes
The provided evidence identifies vulnerable validation logic and a WordPress Trac changeset, but does not include exploit details or active exploitation evidence. Validate fixes by comparing installed code with vendor changes rather than relying only on CPE data.
Mitigation direction
- Check vendor or WordPress plugin guidance for the fixed release.
- Update OS DataHub Maps beyond 1.8.3 if a fixed version is available.
- Temporarily disable the plugin if updating is not possible.
- Limit Author-level access to trusted users only.
- Review recent uploads and newly created files for suspicious content.
Validation and detection
- Inventory WordPress sites using OS DataHub Maps.
- Confirm installed plugin version is above 1.8.3 or otherwise vendor-fixed.
- Review user roles for Author, Editor, and Administrator accounts.
- Inspect upload directories for unexpected executable or script files.
- Check web server and WordPress logs for unusual authenticated upload activity.
Public sources used
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
Conservative CVE-to-ATT&CK context
These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.
ATT&CK lookup starting points
Use these exact CWE pages and searches to review the Glexia ATT&CK library from this CVE's weakness and description context.
CWE-434: File access and web shell behavior lookup
File traversal and upload weaknesses can lead teams to review file, web shell, execution, and collection telemetry. Open the exact CWE lookup page first, then review the ATT&CK searches from that MITRE weakness context. This is a Glexia lookup hint, not an official ATT&CK mapping.
Open ATT&CK lookupExecution behavior lookup
The CVE wording references code or command execution, so execution technique review may help defensive triage. This is a Glexia inferred lookup path, not an official MITRE, ATT&CK, or CVE Program mapping.
Open ATT&CK lookupFile access behavior lookup
The CVE wording references file access or upload behavior, so file telemetry and web shell review may help. This is a Glexia inferred lookup path, not an official MITRE, ATT&CK, or CVE Program mapping.
Open ATT&CK lookupCVE-2026-1730 mapping review
Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.
Open ATT&CK lookup- Severity
- High
- CVSS
- 8.8 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CNA and ADP enrichment extracted from CVE v5
These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.
CVSS vector scores
1 official scoreWe collect every scored CVSS vector available in the official CNA and ADP containers. When more than one version is present, the table keeps the source vectors side by side instead of collapsing them into the highest score.
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H2.85.9Primary CVE scoreVulnerability scoring details
Base CVSS 3.1 score
8.8HighVector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Source materials
- CVE List V5 sourceCVE List V5
- https://www.wordfence.com/threat-intel/vulnerabilities/id/c32ba2a0-a9a7-4f17-8169-912cecc40b7b?source=cveCVE reference
- https://plugins.trac.wordpress.org/browser/os-datahub-maps/trunk/include/osmap-admin.php?rev=3449192#L67CVE reference
- https://plugins.trac.wordpress.org/browser/os-datahub-maps/trunk/os-datahub-maps.php?rev=3449192#L87CVE reference
- https://plugins.trac.wordpress.org/changeset/3452323/os-datahub-mapsCVE reference
Products and packages named in the record
CWE details
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.
Unrestricted Upload of File with Dangerous Type
Unrestricted Upload of File with Dangerous Type represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.