Jellyfin Web Cross-Site Scripting (XSS) via Playlist Name

Description

In Jellyfin 10.8.x through 10.8.3, the name of a playlist is vulnerable to stored XSS. This allows an attacker to steal access tokens from the localStorage of the victim.

Recommendation

Update the jellyfin-web package to the latest compatible version. Followings are version details:

• Affected version(s): >= 10.8.0, < 10.8.4
• Patched version(s): 10.8.4

References

• GHSA-2h5r-cqfc-45v6
• herolab.usd.de
• CVE-2023-23636
• CWE-79
• CAPEC-310
• OWASP 2021-A3
• OWASP 2021-A6

Related Issues

• Jellyfin Web Cross-Site Scripting (XSS) via Collection Name - CVE-2023-23635
• CleverTap Web SDK is vulnerable to DOM-based Cross-Site Scripting (XSS) via window.postMessage - CVE-2026-26862
• Vega Cross-Site Scripting (XSS) via event filter when not using CSP mode expressionInterpeter - CVE-2025-26619
• TinyMCE vulnerable to mutation Cross-site Scripting via special characters in unescaped text nodes - CVE-2023-48219

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Tags:

npm

jellyfin-web