CVE-2024-56515 Untrusted file formats can be thumbnailed, invoking potentially further untrusted decoders in Matrix Media Repo

Matrix Media Repo MMR is a highly configurable multi-homeserver media repository for Matrix. If SVG or JPEGXL thumbnailers are enabled they are disabled by default, a user may upload a file which claims to be either of these types and request a thumbnail to invoke a different decoder in...

CVE-2024-56515 Untrusted file formats can be thumbnailed, invoking potentially further untrusted decoders in Matrix Media Repo

Matrix Media Repo MMR is a highly configurable multi-homeserver media repository for Matrix. If SVG or JPEGXL thumbnailers are enabled they are disabled by default, a user may upload a file which claims to be either of these types and request a thumbnail to invoke a different decoder in...

CVE-2024-56515 Untrusted file formats can be thumbnailed, invoking potentially further untrusted decoders in Matrix Media Repo

Matrix Media Repo MMR is a highly configurable multi-homeserver media repository for Matrix. If SVG or JPEGXL thumbnailers are enabled they are disabled by default, a user may upload a file which claims to be either of these types and request a thumbnail to invoke a different decoder in...

matrix-media-repo 代码问题漏洞

matrix-media-repo is a highly configurable multi-domain media repository for Matrix open source by t2bot.io. A code issue vulnerability exists in matrix-media-repo versions prior to v1.3.8 that stems from vulnerability to a server-side request forgery attack that, under certain conditions, serves...

PT-2025-2449 · Unknown +1 · Matrix Media Repo +1

Name of the Vulnerable Software and Affected Versions: Matrix Media Repo versions prior to 1.3.5 Description: The issue allows an unauthenticated adversary to induce the system to download and cache large amounts of remote media files, resulting in unbounded disk consumption. This can lead to a...

PT-2025-3302 · Unknown +2 · Matrix Media Repo +4

Name of the Vulnerable Software and Affected Versions: Matrix Media Repo versions prior to 1.3.8 Description: The issue arises when SVG or JPEGXL thumbnailers are enabled, allowing a user to upload a file that claims to be one of these types and request a thumbnail, potentially invoking a differe...

PT-2025-2935 · Unknown +1 · Matrix Media Repo +1

Name of the Vulnerable Software and Affected Versions: Matrix Media Repo MMR versions prior to 1.3.8 Description: The issue arises when Matrix Media Repo MMR makes requests to other servers as part of its normal operation, and these servers return large amounts of JSON for parsing. During parsing...

matrix-media-repo 安全漏洞

matrix-media-repo is a highly configurable multi-domain media repository for Matrix open-sourced by t2bot.io. A security vulnerability exists in matrix-media-repo versions prior to v1.3.8, which stems from requests made to other servers during normal operation. These resource owners can return...

matrix-media-repo 代码问题漏洞

matrix-media-repo is a highly configurable multi-domain media repository for Matrix in the t2bot.io open source. A code issue vulnerability exists in matrix-media-repo that stems from the fact that if Matrix Media Repo has SVG or JPEGXL thumbnails enabled, a user can upload files claiming to be o...

PT-2025-2933 · Unknown +1 · Matrix Media Repo +1

Name of the Vulnerable Software and Affected Versions: Matrix Media Repo MMR versions prior to 1.3.8 Description: Matrix Media Repo MMR is vulnerable to server-side request forgery, serving content from a private network it can access, under certain conditions. This issue allows MMR to serve...

Cross Site Scripting (XSS)

matrix-media-repo is vulnerable to a Cross Site Scripting XSS. The vulnerability is due to a lack of content-type validation, which allows an attacker to upload a SVG image containing JavaScript leading to the execution of JavaScript in the user’s browser...

CVE-2023-41318 Unsafe media served inline on download endpoints in matrix-media-repo

matrix-media-repo is a highly customizable multi-domain media repository for the Matrix chat ecosystem. In affected versions an attacker could upload a malicious piece of media to the media repo, which would then be served with Content-Disposition: inline upon download. This vulnerability could b...

CVE-2023-41318

CVE-2023-41318 affects matrix-media-repo and concerns an SVG/script execution vulnerability when a malicious media is uploaded and served with Content-Disposition: inline. Affected component is the matrix-media-repo media repository; the underlying cause is unsafe handling of media that can lead ...

CVE-2023-41318 Unsafe media served inline on download endpoints in matrix-media-repo

matrix-media-repo is a highly customizable multi-domain media repository for the Matrix chat ecosystem. In affected versions an attacker could upload a malicious piece of media to the media repo, which would then be served with Content-Disposition: inline upon download. This vulnerability could b...

matrix-media-repo Cross-Site Scripting Vulnerability

Matrix is an ambitious new ecosystem for open federated instant messaging and VoIP. A cross-site scripting vulnerability exists in matrix-media-repo versions prior to 1.3.0, which originates from a vulnerability that allows an attacker to upload an SVG image containing JavaScript script to a serv...

PT-2023-27903 · Unknown · Matrix Media Repo

Name of the Vulnerable Software and Affected Versions: matrix-media-repo versions prior to 1.3.0 Description: The issue allows an attacker to upload malicious media to the media repository, which is then served with Content-Disposition: inline upon download. This can be leveraged to execute scrip...

py-matrix-synapse -- several vulnerabilities

Matrix developers report: This release patches one high severity issue affecting Synapse installations 1.47.0 and earlier using the media repository. An attacker could cause these Synapses to download a remote file and store it in a directory outside the media repository. Note that: This only...

CVE-2021-29453

matrix-media-repo is an open-source multi-domain media repository for Matrix. Versions 1.2.6 and earlier of matrix-media-repo do not properly handle malicious images which are crafted to be small in file size, but large in complexity. A malicious user could upload a relatively small image in term...

CVE-2021-29453

matrix-media-repo is an open-source multi-domain media repository for Matrix. Versions 1.2.6 and earlier of matrix-media-repo do not properly handle malicious images which are crafted to be small in file size, but large in complexity. A malicious user could upload a relatively small image in term...

Design/Logic Flaw

matrix-media-repo is an open-source multi-domain media repository for Matrix. Versions 1.2.6 and earlier of matrix-media-repo do not properly handle malicious images which are crafted to be small in file size, but large in complexity. A malicious user could upload a relatively small image in term...