CVE-2026-13693: unknown bit form Path Traversal

Vulnerability summary

CVE-2026-13693 is a high (CVSS 7.5) Path Traversal vulnerability in unknown bit form. EPSS estimates a 0.40% chance of exploitation in the next 30 days, higher than 33.4% of scored vulnerabilities. 1 public exploit is recorded. Fixed in 3.1.0.

Timeline

1. 21-07-2026
   PublishedVulnerability first disclosed.
2. 21-07-2026
   Last modifiedVulnerability information updated.

Description

The Bit Form WordPress plugin before 3.1.0 does not restrict a form file-field value to a safe path before reading the file and attaching it to a notification email, allowing unauthenticated attackers to read arbitrary server files such as the WordPress configuration file.

• CWE-22Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')The product uses external input to construct a pathname that is intended to identify a file or directory that is located underneath a restricted parent directory, but the product does not properly neutralize special elements within the pathname that can cause the pathname to resolve to a location that is outside of the restricted directory.