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CVE-2012-0007

MediumPublished

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...

Published: Jan 10, 2012
Updated: Aug 6, 2024
Assigning CNA: microsoft
Evidence observed: Jan 10, 2012

Primary CVSS

4.3/ 10Medium

nvd · CVSS 2.0

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

EPSS probability estimate

18.6%

Moderate · next 30 days

Percentile: 97.2%
Model date: Sep 21, 2026

EPSS is a statistical estimate, not a certainty or a measure of impact. Combine it with CVSS, KEV status, exposure and your environment.

Summary

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."

Sources

Microsoft AntiXSS 3/4.0 Library Sanitization Module - Security BypassExploit
Adi Cohen · windows · Jan 10, 2012

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