CWE-624—Executable Regular Expression Error

Weakness Name

Executable Regular Expression Error

Description

The product uses a regular expression that either (1) contains an executable component with user-controlled inputs, or (2) allows a user to enable execution by inserting pattern modifiers.

Case (2) is possible in the PHP preg_replace() function, and possibly in other languages when a user-controlled input is inserted into a string that is later parsed as a regular expression.

Common Consequences

Scope:

Confidentiality, Integrity, Availability

Impact:

Execute Unauthorized Code or Commands

Related Weaknesses

• CWE-77Improper Neutralization of Special Elements used in a Command ('Command Injection')High