CVE-2021-3647

Name: CVE-2021-3647
Creator: NVD / NIST
Published: 2021-07-16T11:15:11.383+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 6.1/10EPSS 0.91%

Last modified Jun 17, 2026

CVE-2021-3647 is a medium-severity vulnerability rated 6.1/10 on the CVSS scale. URI.js is vulnerable to URL Redirection to Untrusted Site. EPSS estimates a 0.91% chance of exploitation in the next 30 days.

Description

URI.js is vulnerable to URL Redirection to Untrusted Site

Metrics

CVSS 3.1

6.1/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

EPSS Probability

0.91%

55.4th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Uri.Js Project	Uri.Js	< 1.19.7

References

https://github.com/medialize/URI.js/commit/ac43ca8f80c042f0256fb551ea5203863dec4481Patch, Third Party Advisory
https://huntr.dev/bounties/1625558772840-medialize/URI.jsExploit, Issue Tracking, Third Party Advisory
https://github.com/medialize/URI.js/commit/ac43ca8f80c042f0256fb551ea5203863dec4481Patch, Third Party Advisory
https://huntr.dev/bounties/1625558772840-medialize/URI.jsExploit, Issue Tracking, Third Party Advisory

Timeline

Published: Jul 16, 2021
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2021-3647?

URI.js is vulnerable to URL Redirection to Untrusted Site

How severe is CVE-2021-3647?

CVE-2021-3647 has a CVSS score of 6.1/10 (MEDIUM severity). The EPSS model estimates a 0.91% probability of exploitation in the next 30 days.

How do I fix CVE-2021-3647?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2021-3647?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST