CVE-2012-0007

Exp

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."

Published: 2012-01-10 Last update: 2026-04-29 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2012-0007 is rated High Exploit Risk (67/100): CVSS Medium severity, with high exploitation likelihood (EPSS 59.66%, 98th percentile). 1 public exploit reference(s) are indexed (Exploit-DB). Public exploits are available—assess exposure, apply mitigations, and prioritize patching.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Public exploit references (Exploit-DB) for CVE-2012-0007

EDB-ID Source Kind Published Link
36507 exploit_db edb 2012-01-10 Exploit-DB ↗

Exploit prediction scoring system (EPSS) score for CVE-2012-0007

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2026-04-29 59.21% 59.66% +0.45%
2 2026-02-14 62.21% 59.21% -3.00%
3 2025-12-01 — 62.21% —

Full EPSS history (19 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2012-0007

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
4.3 2.0 MEDIUM
AV:N/AC:M/Au:N/C:N/I:P/A:N Click to expand
Access vector (AV:N)
Can be exploited remotely over network reachability.
Access complexity (AC:M)
Exploitation needs some favorable conditions, but not exceptional ones.
Authentication (AU:N)
No authentication is required.
Confidentiality impact (C:N)
No confidentiality impact.
Integrity impact (I:P)
Partial integrity impact.
Availability impact (A:N)
No availability impact.
 8.6 2.9 [email protected]

Weakness enumeration for CVE-2012-0007

Affected software / configurations for CVE-2012-0007

Vendor Product Version Raw CPE
microsoft anti-cross_site_scripting_library 3.1 cpe:2.3:a:microsoft:anti-cross_site_scripting_library:3.1:*:*:*:*:*:*:*
microsoft anti-cross_site_scripting_library 4.0 cpe:2.3:a:microsoft:anti-cross_site_scripting_library:4.0:*:*:*:*:*:*:*

References for CVE-2012-0007

cvelogic Threat Intelligence