CVE-2011-0161

Severity: medium (CVSS 4.3 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 1.7% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2011-03-11 · updated 2026-06-16
Weakness: CWE-20

Description

WebKit, as used in Apple Safari before 5.0.4 and iOS before 4.3, does not properly handle the Attr.style accessor, which allows remote attackers to bypass the Same Origin Policy and inject Cascading Style Sheets (CSS) token sequences via a crafted web site.

Affected products

Apple Iphone Os: through 4.2; 1.0.0, 1.0.1, 1.0.2, 1.1.0, 1.1.1, 1.1.2 (+23)
Apple Safari: through 5.0.3; 1.0, 1.0-beta, 1.0-beta2, 1.0.0, 1.0.0b1, 1.0.0b2 (+57)
Apple Webkit: all versions

References

http://lists.apple.com/archives/security-announce/2011//Mar/msg00003.html
http://lists.apple.com/archives/security-announce/2011//Mar/msg00004.html
http://support.apple.com/kb/HT4564
http://support.apple.com/kb/HT4566
http://www.securityfocus.com/bid/46814
http://www.securitytracker.com/id?1025182
https://exchange.xforce.ibmcloud.com/vulnerabilities/66000
http://lists.apple.com/archives/security-announce/2011//Mar/msg00003.html
http://lists.apple.com/archives/security-announce/2011//Mar/msg00004.html
http://support.apple.com/kb/HT4564
http://support.apple.com/kb/HT4566
http://www.securityfocus.com/bid/46814

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