Medium, CVSS 6.1npmAmendedPublished
Cross-Site Scripting in webtorrent
CVE-2019-15782 · GHSA-gjh4-fcv3-whpq
- Affected
- npm webtorrent < 0.107.6
- Fixed in
- 0.107.6· Vendor fix available
- Issue
- Versions of webtorrent prior to 0.107.6 are vulnerable to Cross-Site Scripting. webtorrent servers started with torrent.createServer() lists a torrent's title and files in the index page without sanitization. This allows attackers to execute arbitrary JavaScript in the victim's browser through files with names containing the malicious payload. The issue is mitigated due to the fact that the server only allows fetching data pieces from the torrent. Recommendation Upgrade to version 0.107.6 or later.
Recommended action: Upgrade to 0.107.6 or later, then redeploy and verify.A vendor fix does not resolve your finding until you verify it in your own systems.