CWE-473: PHP External Variable Modification

high-risk

A PHP application does not properly protect against the modification of variables from external sources, such as query parameters or cookies. This can expose the application to numerous weaknesses that would not exist otherwise.

Abstraction: Variant

Common Consequences

Integrity Modify Application Data

Real-World Examples (4)

CVE CVSS EPSS KEV
CVE-2023-36845 9.8 94.4% Y
CVE-2023-36844 5.3 94.3% Y
CVE-2026-28411 9.8 0.8%
CVE-2024-27489 7.5 0.1%
53
/ 100
high-risk
Active Threat 30/50 · High
Exploit Availability 23/50 · Moderate