matrix-react-sdk at a glance
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| Month | Vulnerabilities | Critical |
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| Nov 2026 | 0 | 0 |
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8 results · Feed
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High 8.7
Malicious homeservers can steal message keys when the matrix-react-sdk user invites another user to a room
matrix-react-sdk is react-based software development kit for inserting a Matrix chat/VOIP client into a web page. Starting in version 3.18.0 and before 3.102.0, matrix-react-sdk allows a malicious homeserver to potentially steal message keys for a room when a…
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High 7.7
URL preview setting for a room is controllable by the homeserver in matrix-react-sdk
matrix-react-sdk is a react-based SDK for inserting a Matrix chat/voip client into a web page. A malicious homeserver could manipulate a user's account data to cause the client to enable URL previews in end-to-end encrypted rooms, in which case any URLs in en…
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Medium 6.1
Cross site scripting in Export Chat feature
matrix-react-sdk is a react-based SDK for inserting a Matrix chat/voip client into a web page. The Export Chat feature includes certain attacker-controlled elements in the generated document without sufficient escaping, leading to stored Cross site scripting …
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Medium 5.4
matrix-react-sdk vulnerable to HTML injection in search results via plaintext message highlighting
matrix-react-sdk is a react-based SDK for inserting a Matrix chat/VoIP client into a web page. Prior to version 3.71.0, plain text messages containing HTML tags are rendered as HTML in the search results. To exploit this, an attacker needs to trick a user int…
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High 8.2
Prototype pollution in matrix-react-sdk
matrix-react-sdk is a Matrix chat protocol SDK for React Javascript. Events sent with special strings in key places can temporarily disrupt or impede the matrix-react-sdk from functioning properly, such as by causing room or event tile crashes. The remainder …
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High 8.2
Prototype pollution in matrix-react-sdk
matrix-react-sdk is a Matrix chat protocol SDK for React Javascript. In certain configurations, data sent by remote servers containing special strings in key locations could cause modifications of the `Object.prototype`, disrupting matrix-react-sdk functional…
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Medium 4.2
File upload local preview can run embedded scripts after user interaction
Matrix-React-SDK is a react-based SDK for inserting a Matrix chat/voip client into a web page. Before version 3.21.0, when uploading a file, the local file preview can lead to execution of scripts embedded in the uploaded file. This can only occur after sever…
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Low 2.6
User content sandbox can be confused into opening arbitrary documents
matrix-react-sdk is an npm package which is a Matrix SDK for React Javascript. In matrix-react-sdk before version 3.15.0, the user content sandbox can be abused to trick users into opening unexpected documents. The content is opened with a `blob` origin that …