CVE-2010-3243

Sharepoint Server vulnerability

CVSS

4.3

EPSS

15.7%

EPSS pct

97th

Exploited

No known

Cross-site scripting (XSS) vulnerability in the toStaticHTML function in Microsoft Internet Explorer 8, and the SafeHTML function in Microsoft Windows SharePoint Services 3.0 SP2 and Office SharePoint Server 2007 SP2, allows remote attackers to inject arbitrary web script or HTML via unspecified vectors, aka "HTML Sanitization Vulnerability."

Affected vendor

Microsoft

Affected product

Sharepoint Server

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N

Weakness type (CWE)

CWE-79 — Cross-Site Scripting (XSS)

Published

2010-10-13

Risk analysis

Based on its CVSS vector, this vulnerability is exploitable over the network, low attack complexity, requiring no privileges, user interaction. Successful exploitation leads to low impact to integrity.

Its EPSS score of 15.7% reflects a moderate probability of exploitation activity in the wild over the next 30 days, placing it above 97% of all scored CVEs.

Check your external exposure to CVE-2010-3243

Confirm whether Microsoft Sharepoint Server is running on any internet-facing host or subdomain.
Match discovered service fingerprints against the version affected by CVE-2010-3243.
Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2010-3243

ThreatPort's external attack surface scanner checks your internet-facing assets — agentlessly, from the outside in — for the exposed services and versions that CVE-2010-3243 affects, then prioritises the finding by real risk using CISA KEV and FIRST.org EPSS.

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