Prototype Pollution in Php.js Project

CVE-2020-7700

All versions of phpjs are vulnerable to Prototype Pollution via parse_str.

Vulnerability class: Prototype Pollution

EPSS: 0.019 (77.7th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2020-7700?
CVE-2020-7700 is a critical-severity vulnerability in Php.js Project, classified under Improperly Controlled Modification of Object Prototype Attributes (Prototype Pollution). CVSS score: 9.8/10. Published 2020-08-14.
How severe is CVE-2020-7700?
Critical severity. CVSS v3 base score is 9.8 out of 10.
Is CVE-2020-7700 known to be exploited?
1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.