CVE-2023-28103CWE-1321

Prototype pollution in matrix-react-sdk

High · published March 28, 2023

CVSS v3.1
8.2
EPSS
1%
Percentile
53.1
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v3.1
8.2 · HIGH
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:H
CVSS v4.0
Not supplied
EPSS
0.00712 · 53.1th percentile
Weakness
CWE-1321 · Improperly Controlled Modification of Object Prototype Attributes ('Prototype Pollution')
Published
2023-03-28T20:37Z
EPSS history
Timeline
  • 28 MAR 20:37Z
    Prototype pollution in matrix-react-sdk
    cvelistv5