What’s Vulnerable › Vulnerabilities

CVE-2022-36060: Prototype pollution in matrix-react-sdk

• Severity: medium (CVSS 5.3 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.9% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2023-03-28 · updated 2026-06-17
• Weakness: CWE-1321

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.

Affected products

• Matrix React Sdk: before 3.53.0 — fixed in 3.53.0

How to fix

Upgrade to a fixed version: Matrix React Sdk 3.53.0. Check the vendor advisory for mitigations.

References

• https://github.com/matrix-org/matrix-react-sdk/security/advisories/GHSA-2x9c-qwgf-94xr
• https://github.com/matrix-org/matrix-react-sdk/security/advisories/GHSA-2x9c-qwgf-94xr

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