Common Weakness Enumeration
CWE Definition / CWE-73
CWE-73: External Control of File Name or Path
The product allows user input to control or influence paths or file names that are used in filesystem operations.
Published:19 Jul 2006
Organization:MITRE
Modified:11 Dec 2025
Related Weakness
CWE-642: External Control of Critical State Data
CWE-610: Externally Controlled Reference to a Resource in Another Sphere
CWE-20: Improper Input Validation
CWE-22: Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')
CWE-41: Improper Resolution of Path Equivalence
CWE-98: Improper Control of Filename for Include/Require Statement in PHP Program ('PHP Remote File Inclusion')
CWE-434: Unrestricted Upload of File with Dangerous Type
CWE-59: Improper Link Resolution Before File Access ('Link Following')
