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CVE-2012-1861

24
FAUCET Score

CVE-2012-1861 is a cross-site scripting (XSS) vulnerability affecting Microsoft SharePoint Server 2010, SharePoint Foundation 2010, and Office Web Apps 2010. This flaw allows remote attackers to inject arbitrary web script or HTML into a user's browser by crafting malicious JavaScript elements within a URL. The vulnerability has a CVSS score of 4.3, indicating a medium attack complexity and potential for partial integrity impact, as it requires user interaction (e.g., clicking a malicious link). Despite a high FAUCET Risk Score of 90/100 and an EPSS score higher than 97% of all CVEs, there is no known active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage surrounding this vulnerability.

Impacted Technologies

VendorProductVersion(s)CPE
2010CPE matchmatch criteria
cpe:2.3:a:microsoft:office_web_apps:2010:*:*:*:*:*:*:*
2010CPE matchmatch criteria
cpe:2.3:a:microsoft:office_web_apps:2010:sp1:*:*:*:*:*:*
2010CPE matchmatch criteria
cpe:2.3:a:microsoft:sharepoint_foundation:2010:*:*:*:*:*:*:*
2010CPE matchmatch criteria
cpe:2.3:a:microsoft:sharepoint_foundation:2010:sp1:*:*:*:*:*:*
2010CPE matchmatch criteria
cpe:2.3:a:microsoft:sharepoint_server:2010:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

4.3MEDIUM

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

Confidentiality Impact
NONE
Integrity Impact
PARTIAL
Availability Impact
NONE
Access Vector
NETWORK
Access Complexity
MEDIUM
Authentication
NONE
Exploitability Score
8.6
Impact Score
2.9
CvssVersion
2.0

Exploit Intelligence

EPSS Score
15.41%
Probability of exploitation in next 30 days
EPSS Percentile
96.4%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.1541 is in the 97th percentile among its peer group of 19,956 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.0 Bluesky, 0.0 Mastodon, and 0.2 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.0 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

docs.microsoft.com / en-us/security-updates/securitybulletins/2012/ms12-050
oval.cisecurity.org / repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A15544
us-cert.gov / cas/techalerts/TA12-192A.html
US Government Resource