What’s Vulnerable › Vulnerabilities

CVE-2018-3774

• Severity: critical (CVSS 10.0 v3.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 3.8% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2018-08-12 · updated 2026-06-17
• Weakness: CWE-425

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.

Affected products

• unshiftio/url-parse: before 1.4.3 — fixed in 1.4.3

How to fix

Upgrade to a fixed version: unshiftio/url-parse 1.4.3. Check the vendor advisory for mitigations.

References

• https://github.com/unshiftio/url-parse/commit/53b1794e54d0711ceb52505e0f74145270570d5a
• https://github.com/unshiftio/url-parse/commit/d7b582ec1243e8024e60ac0b62d2569c939ef5de
• https://hackerone.com/reports/384029
• https://github.com/unshiftio/url-parse/commit/53b1794e54d0711ceb52505e0f74145270570d5a
• https://github.com/unshiftio/url-parse/commit/d7b582ec1243e8024e60ac0b62d2569c939ef5de
• https://hackerone.com/reports/384029

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