SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-2012-0007

The Microsoft Anti-Cross Site Scripting (AntiXSS) Library 3.x and 4.0 does not properly evaluate characters after the detection of a Cascading Style Sheets (CSS) escaped character, which allows remote attackers to conduct cross-site scripting (XSS)…

MEDIUM 4.3EPSS 18.6%

Does this matter?

EPSS puts the probability of exploitation in the next 30 days at 18.6%, higher than 97% of all known CVEs. Patch or mitigate before the next change window.

Description

The Microsoft Anti-Cross Site Scripting (AntiXSS) Library 3.x and 4.0 does not properly evaluate characters after the detection of a Cascading Style Sheets (CSS) escaped character, which allows remote attackers to conduct cross-site scripting (XSS) attacks via HTML input, aka "AntiXSS Library Bypass Vulnerability."

CVSS 2.0
4.3 MEDIUMAV:N/AC:M/Au:N/C:N/I:P/A:N
EPSS
18.63% probability · 97th percentile
CISA KEV
Not listed
Weakness
CWE-79
Affected
microsoft/anti-cross site scripting library
Source
secure@microsoft.com

Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.