Language: TypeScript
Label: safe
CWE: CWE-532 \u2014 Insertion of Sensitive Information into Log File
Information written to log files can be of a sensitive nature and give valuable guidance to an attacker or expose sensitive user information.

Code:
export function redactHeaderCookie(cookieHeader: string, cookieNames: string[]) {
	for (const cookieName of cookieNames) {
		const re = new RegExp(`(${cookieName}=)([^;]+)`);
		cookieHeader = cookieHeader.replace(re, `$1--redacted--`);
	}
	return cookieHeader;
}