Sandbox Restrictions Bypass

matrix-react-sdk is vulnerable to sandbox restrictions bypass. The vulnerability exists due to the redundant lockOrigin parameter from usercontent, allowing an attacker to use the user content sandbox to trick users into opening unexpected documents with a blob origin...

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...

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

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: Insufficient Verification of Data Authenticity

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...

PT-2021-14417

Name of the Vulnerable Software and Affected Versions matrix-react-sdk versions prior to 3.15.0 Description The user content sandbox in matrix-react-sdk can be abused to trick users into opening unexpected documents. This is achieved through several user interactions, allowing the content to be...

Matrix-react-sdk data manipulation vulnerability

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...