CVE-2023-28103: high-severity vulnerability in matrix-org matrix-react-sdk
Prototype pollution in matrix-react-sdk
Published · Updated
21Vexday Risk Score
No sign of exploitation. No public exploitation artifact known so far.
ssvc Trackcvss 8.2epss 0.7%
exploitation probability
0.7%top 48% of all CVEs
observed exploitation
nono source reports it
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 functionality, causing denial of service and potentially affecting program logic. This is fixed in matrix-react-sdk 3.69.0 and users are advised to upgrade. There are no known workarounds for this vulnerability. Note this advisory is distinct from GHSA-2x9c-qwgf-94xr which refers to a similar issue.
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:H
Affected products
matrix-org · matrix-react-sdkRelated CVEs — matrix-org matrix-react-sdk
In the same product, most dangerous first.
CVE-2021-21320LOWUser content sandbox can be confused into opening arbitrary documentsEPSS 0.9%CVE-2022-36060HIGHPrototype pollution in matrix-react-sdkEPSS 0.9%CVE-2024-47824HIGHMalicious homeservers can steal message keys when the matrix-react-sdk user invites another user to a roomEPSS 0.7%CVE-2023-30609MEDIUMmatrix-react-sdk vulnerable to HTML injection in search results via plaintext message highlightingEPSS 0.6%CVE-2023-37259MEDIUMCross site scripting in Export Chat featureEPSS 0.5%CVE-2024-42347HIGHURL preview setting for a room is controllable by the homeserver in matrix-react-sdkEPSS 0.4%