GHSA-52mq-6jcv-j79xLowCVSS 2.6
User content sandbox can be confused into opening arbitrary documents
🔗 CVE IDs covered (1)
📋 Description
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 been fixed by https://github.com/matrix-org/matrix-react-sdk/pull/5657, which is included in 3.15.0.
Workarounds
There are no known workarounds.
🎯 Affected products1
- npm/matrix-react-sdk:< 3.15.0
🔗 References (6)
- https://github.com/matrix-org/matrix-react-sdk/security/advisories/GHSA-52mq-6jcv-j79x
- https://github.com/matrix-org/matrix-react-sdk/pull/5657
- https://github.com/matrix-org/matrix-react-sdk/commit/b386f0c73b95ecbb6ea7f8f79c6ff5171a8dedd1
- https://nvd.nist.gov/vuln/detail/CVE-2021-21320
- https://www.npmjs.com/package/matrix-react-sdk
- https://github.com/advisories/GHSA-52mq-6jcv-j79x