CVE-2022-36060: matrix-org matrix-react-sdk Prototype Pollution

Vulnerability summary

CVE-2022-36060 is a high (CVSS 8.2) Prototype Pollution vulnerability in matrix-org matrix-react-sdk. EPSS estimates a 0.91% chance of exploitation in the next 30 days, higher than 59.1% of scored vulnerabilities.

Timeline

1. 28-03-2023
   PublishedVulnerability first disclosed.
2. 18-02-2025
   Last modifiedVulnerability information updated.

Description

matrix-react-sdk is a Matrix chat protocol SDK for React Javascript. Events sent with special strings in key places can temporarily disrupt or impede the matrix-react-sdk from functioning properly, such as by causing room or event tile crashes. The remainder of the application can appear functional, though certain rooms/events will not be rendered. This issue has been fixed in matrix-react-sdk 3.53.0 and users are advised to upgrade. There are no known workarounds for this vulnerability.

• CWE-1321Improperly Controlled Modification of Object Prototype Attributes ('Prototype Pollution')The product receives input from an upstream component that specifies attributes that are to be initialized or updated in an object, but it does not properly control modifications of attributes of the object prototype.