Sandbox Breakout

Overview 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 cannot access Matrix user data, so messages and secrets are not at risk. Recommendation Upgrade to version 3.15...

User content sandbox can be confused into opening arbitrary documents

Impact The user content sandbox can be abused to trick users into opening unexpected documents after several user interactions. The content can be opened with a blob origin from the Matrix client, so it is possible for a malicious document to access user messages and secrets. Patches This has bee...

CVE-2021-21320

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 cannot access Matrix user data, so...

CVE-2021-21320

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 cannot access Matrix user data, so...

CVE-2021-21320 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 cannot access Matrix user data, so...

CVE-2021-21320

CVE-2021-21320 affects the matrix-react-sdk (Matrix React SDK) before version 3.15.0, where the user content sandbox could be abused to trigger opening unexpected documents. The issue involves a blob-origin handling scenario that, per sources, cannot access Matrix user data, so messages and secre...

matrix-react-sdk 数据伪造问题漏洞

Travis Ralston matrix-react-sdk is an open source application by Travis Ralston. It is used to insert the Matrix chat/voice client into web pages. A security vulnerability exists in matrix-react-sdk before version 3.15.0, which stems from the possibility that user content sandboxing could be abus...