CWE-525Use of Web Browser Cache Containing Sensitive Information

Description

The web application does not use an appropriate caching policy that specifies the extent to which each web page and associated form fields should be cached.

Common consequences

• Confidentiality→Read Application Data
  Browsers often store information in a client-side cache, which can leave behind sensitive information for other users to find and exploit, such as passwords or credit card numbers. The locations at most risk include public terminals, such a

Potential mitigations

• Architecture and Design
  Protect information stored in cache.
• Implementation
  Use a restrictive caching policy for forms and web pages that potentially contain sensitive information, such as "no-cache" in the Cache-Control header.
• Architecture and Design
  Do not store unnecessarily sensitive information in the cache.
• Architecture and Design
  Consider using encryption in the cache.

Related CWEs

Recent CVEs classified under this CWE