Vulnerability Report

CVE-2012-5851

Title: Apple Webkit Cross-Site Scripting (XSS)

XSS

Proof Of Concept

PoC Available for CVE-2012-5851

CWE Category CWE-79

Published Date Nov 15, 2012

Modified Date Jun 16, 2026

Exploit Status Available

Score 4.3 CVSS v2.0

Exploit Probability (EPSS)

2.34%

Vulnerability Summary

CVE-2012-5851: html/parser/XSSAuditor.cpp in WebCore in WebKit, as used in Google Chrome through 22 and Safari 5.1.7, does not consider all possible output contexts of reflected data, which makes it easier for remote attackers to bypass a cross-site scripting (XSS) protection mechanism via a crafted string, aka rdar problem 12019108.

Impacted Vendors

Reference Links

http://blog.opensecurityresearch.com/2012/09/simple-cross-site-scripting-vector-that.html https://bugs.webkit.org/show_bug.cgi?id=92692 https://exchange.xforce.ibmcloud.com/vulnerabilities/80072 http://blog.opensecurityresearch.com/2012/09/simple-cross-site-scripting-vector-that.html https://bugs.webkit.org/show_bug.cgi?id=92692 https://exchange.xforce.ibmcloud.com/vulnerabilities/80072

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-2012-5851 Exploits & PoCs (Proof Of Concept)

Exploit-DB https://www.exploit-db.com/exploits/38024

View Code

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.

November 15, 2012 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.