Variant weakness
Draft
CWE-315: Cleartext Storage of Sensitive Information in a Cookie
The product stores sensitive information in cleartext in a cookie.
Last updated
8
Recorded CVEs
With this primary weakness
0
KEVs
In the CISA KEV catalog
Not rated
Likelihood of exploit
Per MITRE
Variant
Abstraction
MITRE classification
Overview
Attackers can use widely-available tools to view the cookie and read the sensitive information. Even if the information is encoded in a way that is not human-readable, certain techniques could determine which encoding is being used, then decode the information.
Real-world CVEs
8 recorded CVEs are caused by CWE-315 (Cleartext Storage of Sensitive Information in a Cookie). The highest-severity and most recent are shown first. 1 new CWE-315 CVE has been recorded so far in 2026 (2 in 2025).