What’s Vulnerable › Vulnerabilities
CVE-2026-13158: Everest Toolkit <= 1.2.3 - Admin+ Arbitrary File Upload
- Severity: high (CVSS 7.2 v3.1)
- Exploited in the wild: not listed in CISA KEV
- EPSS: 0.5% probability of exploitation in the next 30 days
- Public exploit or detection template: none known
- Published: 2026-08-01 · updated 2026-08-26
- Weakness: CWE-434
Description
The Everest Toolkit WordPress plugin through 1.2.3 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.
Affected products
- Everest Toolkit: through 1.2.3
References
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