Vulnerability Report

CVE-2011-0161

Title: Apple Webkit Improper Input Validation

Input Validation Error

Proof Of Concept

No public PoC currently indexed for CVE-2011-0161.

CWE Category CWE-20

Published Date Mar 11, 2011

Modified Date Jun 16, 2026

Exploit Status Not Found

Score 4.3 CVSS v2.0

Exploit Probability (EPSS)

1.66%

Vulnerability Summary

CVE-2011-0161: 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.

Impacted Vendors

apple 2

webkit 1

Reference Links

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 http://www.securitytracker.com/id?1025182 https://exchange.xforce.ibmcloud.com/vulnerabilities/66000

CVSS v2.0

Source Entity [email protected]

Severity MEDIUM

4.3

Access Vector

N/A

Authentication

N/A

RAW VECTOR AV:N/AC:M/Au:N/C:N/I:P/A:N

Associated Attack Patterns (CAPEC)

Total: Patterns

CVE-2011-0161 Exploits & PoCs (Proof Of Concept)

No public PoCs found in our database for this CVE.

June 16, 2026 MODIFIED

Vulnerability data updated via NVD.

April 29, 2026 MODIFIED

Vulnerability data updated via NVD.

April 11, 2025 MODIFIED

Vulnerability data or affected products updated.

March 11, 2011 PUBLISHED

Vulnerability first announced in NVD.

Attack Vector Matrix

Access Vector N/A

Complexity N/A

Privileges N/A

Interaction NONE

CVSS Vector String


                                    AV:N/AC:M/Au:N/C:N/I:P/A:N

Affected Stack

No specific products linked.