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Vulnerability record · CVE-2012-0007 · published 10 January 2012

CVE-2012-0007: Microsoft anti-cross site scripting library cross-site scripting vulnerability

Microsoft · Anti Cross Site Scripting Library

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."

4.3 CVSS 2.0 Medium EPSS 19% · top 2.8% CWE-79 · Cross-site scripting
4.3CVSS 2.0 base score
19%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
14References
16 Jun 2026Last modified by NVD

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."

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

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
http://secunia.com/advisories/47483
http://secunia.com/advisories/47516
http://www.securityfocus.com/bid/51291
http://www.securitytracker.com/id?1026499
http://www.us-cert.gov/cas/techalerts/TA12-010A.html US Government Resource
https://docs.microsoft.com/en-us/security-updates/securitybulletins/2012/ms12-007
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A14314
http://secunia.com/advisories/47483
http://secunia.com/advisories/47516
http://www.securityfocus.com/bid/51291
http://www.securitytracker.com/id?1026499
http://www.us-cert.gov/cas/techalerts/TA12-010A.html US Government Resource
https://docs.microsoft.com/en-us/security-updates/securitybulletins/2012/ms12-007
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A14314

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2012-0007), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.