Cookies should not have a long expiration

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Metadata

ID: java-security/cookies-persistence

Language: Java

Severity: Warning

Category: Security

Description

Cookie should not persist for too long. If the computer that stores the cookie is attacked or breached, this can lead to a potential account compromise.

Cookies should not be stored too long and should not be used to store sensitive data (such as personal identifiable information).

Learn More

Non-Compliant Code Examples

class NotCompliant {
    public void setCookie(String field, String value) {
        Cookie cookie = new Cookie("field", value);

        // Set Cookie for a year
        cookie.setMaxAge(2592000);
    }
}

Compliant Code Examples

class Compliant {
    public void setCookie(String field, String value) {
        Cookie cookie = new Cookie("field", value);

        // Set Cookie for a month
        cookie.setMaxAge(216000);
    }
}