What’s Vulnerable › Vulnerabilities

CVE-2021-3664: Open Redirect in unshiftio/url-parse

• Severity: medium (CVSS 5.3 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 2.1% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2021-07-26 · updated 2026-06-17
• Weakness: CWE-601

Description

url-parse is vulnerable to URL Redirection to Untrusted Site

Affected products

• unshiftio/url-parse: before 1.5.2 — fixed in 1.5.2
• Npm Url-Parse: from 0.1.0 before 1.5.2 — fixed in 1.5.2

How to fix

Upgrade to a fixed version: unshiftio/url-parse 1.5.2; Npm Url-Parse 1.5.2. Check the vendor advisory for mitigations.

References

• https://github.com/unshiftio/url-parse/commit/81ab967889b08112d3356e451bf03e6aa0cbb7e0
• https://huntr.dev/bounties/1625557993985-unshiftio/url-parse
• https://lists.debian.org/debian-lts-announce/2023/02/msg00030.html
• https://github.com/unshiftio/url-parse/commit/81ab967889b08112d3356e451bf03e6aa0cbb7e0
• https://huntr.dev/bounties/1625557993985-unshiftio/url-parse
• https://lists.debian.org/debian-lts-announce/2023/02/msg00030.html

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