SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-2012-1863

Cross-site scripting (XSS) vulnerability in Microsoft Office SharePoint Server 2007 SP2 and SP3 Windows SharePoint Services 3.0 SP2, and SharePoint Foundation 2010 Gold and SP1 allows remote attackers to inject arbitrary web script or HTML via crafted…

MEDIUM 4.3EPSS 23.1%

Does this matter?

EPSS puts the probability of exploitation in the next 30 days at 23.1%, higher than 98% of all known CVEs. Patch or mitigate before the next change window.

Description

Cross-site scripting (XSS) vulnerability in Microsoft Office SharePoint Server 2007 SP2 and SP3 Windows SharePoint Services 3.0 SP2, and SharePoint Foundation 2010 Gold and SP1 allows remote attackers to inject arbitrary web script or HTML via crafted JavaScript elements in a URL, aka "SharePoint Reflected List Parameter Vulnerability."

CVSS 2.0
4.3 MEDIUMAV:N/AC:M/Au:N/C:N/I:P/A:N
EPSS
23.08% probability · 98th percentile
Public exploits
None in Exploit-DB
CISA KEV
Not listed
Weakness
CWE-79
Affected
microsoft/office sharepoint server · microsoft/sharepoint foundation · microsoft/sharepoint server · microsoft/sharepoint services
Source
secure@microsoft.com
EPSS trend
0%13%25%4 November 2026: 23.08%4 November 20264 November 2026

EPSS 23.1% since 4 November 2026; no change recorded yet. The dashed line is the ten per cent mark our analysts treat as “patch before the next change window”. Points are recorded when the score first appears and whenever it moves by a percentage point or more.

Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.