SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-2012-3691

WebKit in Apple Safari before 6.0 does not properly handle Cascading Style Sheets (CSS) property values, which allows remote attackers to bypass the Same Origin Policy via a crafted web site.

MEDIUM 5.8EPSS 0.94%

Does this matter?

Lower severity and a low EPSS score (0.94%). Track it; it rarely justifies an emergency change on its own.

Description

WebKit in Apple Safari before 6.0 does not properly handle Cascading Style Sheets (CSS) property values, which allows remote attackers to bypass the Same Origin Policy via a crafted web site.

CVSS 2.0
5.8 MEDIUMAV:N/AC:M/Au:N/C:P/I:P/A:N
EPSS
0.94% probability · 61th percentile
Public exploits
None in Exploit-DB
CISA KEV
Not listed
Weakness
CWE-20
Affected
apple/safari
Source
product-security@apple.com
EPSS trend
0%3%5%26 October 2026: 0.94%26 October 202626 October 2026

EPSS 0.9% since 26 October 2026; no change recorded yet. Points are recorded when the score first appears and whenever it moves by a percentage point or more.

Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.