matrix-js-sdk is a Matrix messaging protocol Client-Server SDK for JavaScript. matrix-js-sdk before 34.11.0 is vulnerable to client-side path traversal via crafted MXC URIs. A malicious room member can trigger clients based on the matrix-js-sdk to issue arbitrary authenticated GET requests to the client's homeserver. Fixed in matrix-js-sdk 34.11.1.

Metrics

Attack Vector Network

Attack Complexity Low

Privileges Required Low

Attack Requirements None

User Interaction None

Vulnerable System Confidentiality Impact None

Vulnerable System Integrity Impact Low

Vulnerable System Availability Impact None

Subsequent System Confidentiality Impact None

Subsequent System Integrity Impact Low

Subsequent System Availability Impact None

No CVSS v3.1

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

The EPSS score is 0.00576.

Exploitation none

Automatable no

Technical Impact partial

Affected Vendors & Products

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Advisories
Source ID Title
Debian DLA Debian DLA DLA-4012-1 thunderbird security update
Debian DSA Debian DSA DSA-5841-1 thunderbird security update
EUVD EUVD EUVD-2024-3335 matrix-js-sdk is a Matrix messaging protocol Client-Server SDK for JavaScript. matrix-js-sdk before 34.11.0 is vulnerable to client-side path traversal via crafted MXC URIs. A malicious room member can trigger clients based on the matrix-js-sdk to issue arbitrary authenticated GET requests to the client's homeserver. Fixed in matrix-js-sdk 34.11.1.
Github GHSA Github GHSA GHSA-xvg8-m4x3-w6xr matrix-js-sdk has insufficient MXC URI validation which allows client-side path traversal
Fixes

Solution

No solution given by the vendor.

Workaround

No workaround given by the vendor.

References
Link Providers
https://github.com/matrix-org/matrix-js-sdk/security/advisories/GHSA-xvg8-m4x3-w6xr cve-icon cve-icon
https://lists.debian.org/debian-lts-announce/2025/01/msg00004.html cve-icon
https://spec.matrix.org/v1.12/client-server-api/#security-considerations-5 cve-icon cve-icon
History

Mon, 03 Nov 2025 23:30:00 +0000

Type Values Removed Values Added
References

Tue, 12 Nov 2024 18:15:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Tue, 12 Nov 2024 16:45:00 +0000

Type Values Removed Values Added
Description matrix-js-sdk is a Matrix messaging protocol Client-Server SDK for JavaScript. matrix-js-sdk before 34.11.0 is vulnerable to client-side path traversal via crafted MXC URIs. A malicious room member can trigger clients based on the matrix-js-sdk to issue arbitrary authenticated GET requests to the client's homeserver. Fixed in matrix-js-sdk 34.11.1.
Title matrix-js-sdk has insufficient MXC URI validation which allows client-side path traversal
Weaknesses CWE-22
References
Metrics cvssV4_0

{'score': 5.3, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:N/SC:N/SI:L/SA:N'}

Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: GitHub_M

Published:

Updated: 2025-11-03T22:28:21.121Z

Reserved: 2024-10-22T17:54:40.954Z

Link: CVE-2024-50336

cve-icon Vulnrichment

Updated: 2024-11-12T17:11:31.724Z

cve-icon NVD

Status : Awaiting Analysis

Published: 2024-11-12T17:15:09.680

Modified: 2025-11-03T23:17:13.030

Link: CVE-2024-50336

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

No data.

Weaknesses