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.
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (3.81%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
Incorrect parsing in url-parse <1.4.3 returns wrong hostname which leads to multiple vulnerabilities such as SSRF, Open Redirect, Bypass Authentication Protocol.
- CVSS 3.0
- 10.0 CRITICALCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
- EPSS
- 3.81% probability · 90th percentile
- Public exploits
- None in Exploit-DB
- CISA KEV
- Not listed
- Weakness
- CWE-425, CWE-601, CWE-918
- Affected
- url-parse project/url-parse
- Source
- support@hackerone.com
EPSS 3.8% since 27 October 2026; no change recorded yet. Points are recorded when the score first appears and whenever it moves by a percentage point or more.
References
- https://github.com/unshiftio/url-parse/commit/53b1794e54d0711ceb52505e0f74145270570d5aVendor Advisory
- https://github.com/unshiftio/url-parse/commit/d7b582ec1243e8024e60ac0b62d2569c939ef5deVendor Advisory
- https://hackerone.com/reports/384029Issue Tracking, Third Party Advisory
- https://github.com/unshiftio/url-parse/commit/53b1794e54d0711ceb52505e0f74145270570d5aVendor Advisory
- https://github.com/unshiftio/url-parse/commit/d7b582ec1243e8024e60ac0b62d2569c939ef5deVendor Advisory
- https://hackerone.com/reports/384029Issue Tracking, Third Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.