What’s Vulnerable › Vulnerabilities

CVE-2012-0007

• Severity: medium (CVSS 4.3 v2.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 18.6% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2012-01-10 · updated 2026-06-16
• Weakness: CWE-79

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."

Affected products

• Microsoft Anti-Cross Site Scripting Library: 3.1, 4.0

References

• 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
• 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

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