Language: PHP
Label: vulnerable
CWE: CWE-613 \u2014 Insufficient Session Expiration
According to WASC, "Insufficient Session Expiration is when a web site permits an attacker to reuse old session credentials or session IDs for authorization."

Code:
					$phpunit->assertTrue($newUser->validatePassword('topsecret2018'));
					$phpunit->assertEmpty($oldUser->password());
					$calls++;
				}