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CVE-2023-23635: Jellyfin Web Cross-Site Scripting (XSS) via Collection Name

February 3, 2023 (updated March 27, 2025)

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

References

  • github.com/advisories/GHSA-749c-pc87-4qcw
  • github.com/jellyfin/jellyfin-web
  • github.com/jellyfin/jellyfin-web/issues/3788
  • github.com/jellyfin/jellyfin-web/pull/3789
  • github.com/jellyfin/jellyfin/releases/tag/v10.8.4
  • herolab.usd.de/security-advisories
  • herolab.usd.de/security-advisories/usd-2022-0031
  • nvd.nist.gov/vuln/detail/CVE-2023-23635

Code Behaviors & Features

Detect and mitigate CVE-2023-23635 with GitLab Dependency Scanning

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Affected versions

All versions starting from 10.8.0 before 10.8.4

Fixed versions

  • 10.8.4

Solution

Upgrade to version 10.8.4 or above.

Impact 5.4 MEDIUM

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

Learn more about CVSS

Weakness

  • CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

Source file

npm/jellyfin-web/CVE-2023-23635.yml

Spotted a mistake? Edit the file on GitLab.

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