CVE-2026-13157: CWE-434 Unrestricted Upload of File with Dangerous Type in Theme Demo Import
The Demo Import WordPress plugin through 1.1.3 does not validate the type of files uploaded during demo-content import (the WordPress file-type test is disabled), allowing high-privilege users (Administrator by default, including non-super-admin site administrators on multisite) to upload executable PHP files to the uploads directory.
AI Analysis
Technical Summary
CVE-2026-13157 is a vulnerability in the Theme Demo Import WordPress plugin through version 1.1.3 where the plugin fails to validate the type of files uploaded during demo-content import. The WordPress file-type test is disabled, allowing users with high privileges (administrators, including non-super-admins on multisite) to upload executable PHP files to the uploads directory. This could lead to remote code execution or other severe impacts if exploited.
Potential Impact
Successful exploitation allows high-privilege users to upload executable PHP files to the uploads directory, potentially enabling remote code execution, full site compromise, and loss of confidentiality, integrity, and availability of the affected WordPress site.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until a fix is available, restrict high-privilege user access and avoid using the vulnerable plugin version for demo-content import.
CVE-2026-13157: CWE-434 Unrestricted Upload of File with Dangerous Type in Theme Demo Import
Description
The Demo Import WordPress plugin through 1.1.3 does not validate the type of files uploaded during demo-content import (the WordPress file-type test is disabled), allowing high-privilege users (Administrator by default, including non-super-admin site administrators on multisite) to upload executable PHP files to the uploads directory.
CVSS v3.1
Score 7.2high
Affected software
Theme Demo Import
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
CVE-2026-13157 is a vulnerability in the Theme Demo Import WordPress plugin through version 1.1.3 where the plugin fails to validate the type of files uploaded during demo-content import. The WordPress file-type test is disabled, allowing users with high privileges (administrators, including non-super-admins on multisite) to upload executable PHP files to the uploads directory. This could lead to remote code execution or other severe impacts if exploited.
Potential Impact
Successful exploitation allows high-privilege users to upload executable PHP files to the uploads directory, potentially enabling remote code execution, full site compromise, and loss of confidentiality, integrity, and availability of the affected WordPress site.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until a fix is available, restrict high-privilege user access and avoid using the vulnerable plugin version for demo-content import.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- WPScan
- Date Reserved
- 2026-06-24T12:02:12.212Z
- State
- PUBLISHED
Threat ID: 6a6d96cfbf32cb7a344cecc5
Added to database: 08/01/2026, 06:48:47 UTC
Last enriched: 08/08/2026, 13:42:34 UTC
Last updated: 09/14/2026, 22:01:31 UTC
Views: 51
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