XSS in Microsoft Anti-Cross Site Scripting Library
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) attacks via HTML input, aka "AntiXSS Library Bypass Vulnerability."
Vulnerability class: XSS (Cross-Site Scripting)
Published · last modified .
CVSS v2 metric
CVSS v2 base score 4.3 (Medium). Vector: AV:N/AC:M/Au:N/C:N/I:P/A:N. This CVE predates CVSS v3 and has no v3 score from NVD.
EPSS exploit prediction
EPSS: 0.186 (97.2th percentile), scored .
Moderate probability of exploitation in the next 30 days — watch for active exploitation reports. 97th percentile — 97.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.186 · newest: 0.186 · change: 0.000
Affected products
- Microsoft Anti-Cross Site Scripting Library — versions 3.1, 4.0
Weakness classification (CWE)
References
- www.securityfocus.com/bid/51291 (vdb-entry)
- www.us-cert.gov/cas/techalerts/TA12-010A.html (US Government Resource, third-party-advisory)
- www.securitytracker.com/id (vdb-entry)
- docs.microsoft.com/en-us/security-updates/securitybulletins/2012/ms12-007 (vendor-advisory)
- oval.cisecurity.org/repository/search/definition/oval:org.mitre.oval:def:14314 (signature, vdb-entry)
- secunia.com/advisories/47483 (third-party-advisory)
- secunia.com/advisories/47516 (third-party-advisory)