cvedb.io
CVE-2026-5478
HIGH · CVSS 8.1
EPSS exploitation probability: 0%
Published 2026-04-20T20:16:48.800 · Last modified 2026-06-17T10:59:06.260

Summary

The Everest Forms plugin for WordPress is vulnerable to Arbitrary File Read and Deletion in all versions up to, and including, 3.4.4. This is due to the plugin trusting attacker-controlled old_files data from public form submissions as legitimate server-side upload state, and converting attacker-supplied URLs into local filesystem paths using regex-based string replacement without canonicalization or directory boundary enforcement. This makes it possible for unauthenticated attackers to read arbitrary local files (e.g., wp-config.php) by injecting path-traversal payloads into the old_files upload field parameter, which are then attached to notification emails. The same path resolution is also used in the post-email cleanup routine, which calls unlink() on the resolved path, resulting in th

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References

This product uses data from the NVD API but is not endorsed or certified by the NVD. Informational only; not professional security advice.