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CVE-2023-30626

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Date: April 24, 2023

Jellyfin is a free-software media system. Versions starting with 10.8.0 and prior to 10.8.10 and prior have a directory traversal vulnerability inside the `ClientLogController`, specifically `/ClientLog/Document`. When combined with a cross-site scripting vulnerability (CVE-2023-30627), this can result in file write and arbitrary code execution. Version 10.8.10 has a patch for this issue. There are no known workarounds.

Language: C#

Severity Score

Related Resources (8)

https://github.com/jellyfin/jellyfin/pull/5918
https://github.com/jellyfin/jellyfin/commit/82ad2633fdfb1c37a158057c7935f83e1129eda7
https://github.com/jellyfin/jellyfin/releases/tag/v10.8.10
https://github.com/jellyfin/jellyfin/blob/22d880662283980dec994cd7d35fe269613bfce3/Jellyfin.Api/Controllers/ClientLogController.cs#L44
https://github.com/jellyfin/jellyfin/security/advisories/GHSA-9p5f-5x8v-x65m
https://github.com/jellyfin/jellyfin-web/security/advisories/GHSA-89hp-h43h-r5pq
https://nvd.nist.gov/vuln/detail/CVE-2023-30626
https://www.mend.io/vulnerability-database/CVE-2023-30626

Severity Score

Weakness Type (CWE)

Path Traversal

CWE-22

Top Fix

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Upgrade to version Jellyfin.Controller - 10.8.0

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CVSS v3.1

Base Score:
Attack Vector (AV): NETWORK
Attack Complexity (AC): LOW
Privileges Required (PR): LOW
User Interaction (UI): NONE
Scope (S): UNCHANGED
Confidentiality (C): HIGH
Integrity (I): HIGH
Availability (A): NONE

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