Open Redirect in Hackerone Url-parse

CVE-2018-3774

Incorrect parsing in url-parse <1.4.3 returns wrong hostname which leads to multiple vulnerabilities such as SSRF, Open Redirect, Bypass Authentication Protocol.

EPSS: 0.038 (88.7th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 10.0 (Critical). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H.

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2018-3774?
CVE-2018-3774 is a critical-severity vulnerability in Hackerone Url-parse, classified under Direct Request (Forced Browsing). CVSS score: 10.0/10. Published 2018-08-12.
How severe is CVE-2018-3774?
Critical severity. CVSS v3 base score is 10.0 out of 10.
Is CVE-2018-3774 known to be exploited?
3 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.