CVE-2012-1859

Cross-site scripting (XSS) vulnerability in scriptresx.ashx in Microsoft SharePoint Server 2010 Gold and SP1, SharePoint Foundation 2010 Gold and SP1, and Office Web Apps 2010 Gold and SP1 allows remote attackers to inject arbitrary web script or HTML via crafted JavaScript elements in a URL, aka "XSS scriptresx.ashx Vulnerability."

Published: 2012-07-10 Last update: 2026-04-29 Assigner: [email protected] Source: [email protected]

Conclusion & alert: CVE-2012-1859 is rated Moderate Risk (46.2/100): CVSS Medium severity, with high exploitation likelihood (EPSS 41.34%, 97th percentile). Core evidence: EPSS ranks this CVE among the most likely to be exploited in the near term. Mandatory action: High exploitation likelihood—assess exposure and prioritize remediation.

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

Exploit prediction scoring system (EPSS) score for CVE-2012-1859

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 2025-12-28 47.88% 41.34% -6.53%
2 2025-12-27 41.34% 47.88% +6.53%
3 2025-12-23 41.34%

Full EPSS history (26 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2012-1859

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-2012-1859

Affected software / configurations for CVE-2012-1859

Vendor Product Version Raw CPE
microsoft office_web_apps 2010 cpe:2.3:a:microsoft:office_web_apps:2010:*:*:*:*:*:*:*
microsoft office_web_apps 2010 cpe:2.3:a:microsoft:office_web_apps:2010:sp1:*:*:*:*:*:*
microsoft sharepoint_foundation 2010 cpe:2.3:a:microsoft:sharepoint_foundation:2010:*:*:*:*:*:*:*
microsoft sharepoint_foundation 2010 cpe:2.3:a:microsoft:sharepoint_foundation:2010:sp1:*:*:*:*:*:*
microsoft sharepoint_server 2010 cpe:2.3:a:microsoft:sharepoint_server:2010:*:*:*:*:*:*:*
microsoft sharepoint_server 2010 cpe:2.3:a:microsoft:sharepoint_server:2010:sp1:*:*:*:*:*:*

References for CVE-2012-1859

cvelogic Threat Intelligence