URL Image Importer <= 1.0.6 - Authenticated (Author+) Arbitrary File Upload
Key facts
- Attack vector
- Network
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Code execution
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-434.
Summary
The URL Image Importer plugin for WordPress is vulnerable to arbitrary file uploads due to insufficient file type validation in all versions up to, and including, 1.0.6. This is due to the plugin relying on a user-controlled Content-Type HTTP header to validate file uploads in the 'uimptr_import_image_from_url()' function which writes the file to the server before performing proper validation. 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 via the uploaded PHP file.
Why it matters now
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Total
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2025-12138
- 2026-10-03 Alias added: GHSA-gpw6-7fmv-fc4m
References
Other 6
- https://www.wordfence.com/threat-intel/vulnerabilities/id/1da18430-1bd0-4f63-9e22-5d26de2be410?source=cve
- https://plugins.trac.wordpress.org/browser/url-image-importer/trunk/url-image-importer.php#L198
- https://plugins.trac.wordpress.org/browser/url-image-importer/trunk/url-image-importer.php#L1319
- https://plugins.trac.wordpress.org/browser/url-image-importer/trunk/url-image-importer.php#L1353
- https://plugins.trac.wordpress.org/browser/url-image-importer/trunk/url-image-importer.php#L1358
- https://plugins.trac.wordpress.org/changeset?sfp_email=&sfph_mail=&reponame=&old=3395852%40url-image-importer&new=3395852%40url-image-importer&sfp_email=&sfph_mail=#file9
More bww vulnerabilities
- TI-2025-12902 URL Image Importer <= 1.0.7 - Authenticated (Author+) Stored Cross-Site Scripting via SVG File Upload CVSS 3.1MEDIUM 6.4
Sources
- CVE-2025-12138 · CVE Program
- CVE-2025-12138 · NVD
- FIRST EPSS
- GHSA-gpw6-7fmv-fc4m · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences