CVE-2012-0007

Name: CVE-2012-0007
Creator: NVD / NIST
Published: 2012-01-10T21:55:03.93+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

UnknownEPSS 19.28%

Last modified Jun 16, 2026

CVE-2012-0007 is a vulnerability of currently unknown severity. 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.". EPSS estimates a 19.28% chance of exploitation in the next 30 days.

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."

Metrics

EPSS Probability

19.28%

97.0th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-79

Affected Software

Vendor	Product	Versions
Microsoft	Anti-Cross Site Scripting Library	3.1
Microsoft	Anti-Cross Site Scripting Library	4.0

References

Timeline

Published: Jan 10, 2012
Last Modified: Jun 16, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2012-0007?

How severe is CVE-2012-0007?

Severity scoring for CVE-2012-0007 is pending analysis. The EPSS model estimates a 19.28% probability of exploitation in the next 30 days.

How do I fix CVE-2012-0007?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2012-0007?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST