How severe is CVE-2010-3324?

CVE-2010-3324 has a CVSS 2.0 base score of 4.3, rated medium severity.

Is CVE-2010-3324 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 25% (98th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2010-3324?

CVE-2010-3324 primarily affects Microsoft Groove Server. In total, 6 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2010-3324?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2010-3324 published?

CVE-2010-3324 was published on 2010-09-17 and last updated on 2026-06-16.

CVE-2010-3324

CVE-2010-3324 is a medium-severity vulnerability in Microsoft Groove Server with a CVSS 2.0 base score of 4.3. Its EPSS exploit-prediction score of 25% places it in the 98th percentile, indicating an elevated likelihood of exploitation. The underlying weakness is classified as CWE-79.

Key facts

Severity: Medium (CVSS 2.0 base score 4.3)
EPSS exploit prediction: 25% (98th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-79
Affected product: Microsoft Groove Server
Published: 2010-09-17
Last modified: 2026-06-16

Description

The toStaticHTML function in Microsoft Internet Explorer 8, and the SafeHTML function in Microsoft Windows SharePoint Services 3.0 SP2, SharePoint Foundation 2010, Office SharePoint Server 2007 SP2, Groove Server 2010, and Office Web Apps, allows remote attackers to bypass the cross-site scripting (XSS) protection mechanism and conduct XSS attacks via a crafted use of the Cascading Style Sheets (CSS) @import rule, aka "HTML Sanitization Vulnerability," a different vulnerability than CVE-2010-1257.

Frequently asked questions

What is CVE-2010-3324?: The toStaticHTML function in Microsoft Internet Explorer 8, and the SafeHTML function in Microsoft Windows SharePoint Services 3.0 SP2, SharePoint Foundation 2010, Office SharePoint Server 2007 SP2, Groove Server 2010, and Office Web Apps, allows remote attackers to bypass the cross-site scripting (XSS) protection mechanism and conduct XSS attacks via a crafted use of the Cascading Style Sheets (CSS) @import rule, aka "HTML Sanitization Vulnerability," a different vulnerability than CVE-2010-1257.
How severe is CVE-2010-3324?: CVE-2010-3324 has a CVSS 2.0 base score of 4.3, rated medium severity.
Is CVE-2010-3324 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 25% (98th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2010-3324?: CVE-2010-3324 primarily affects Microsoft Groove Server. In total, 6 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2010-3324?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2010-3324 published?: CVE-2010-3324 was published on 2010-09-17 and last updated on 2026-06-16.

References

Affected products (6)

cpe:2.3:a:microsoft:groove_server:2010:*:*:*:*:*:*:*
cpe:2.3:a:microsoft:internet_explorer:8:*:*:*:*:*:*:*
cpe:2.3:a:microsoft:sharepoint_foundation:2010:*:*:*:*:*:*:*
cpe:2.3:a:microsoft:sharepoint_server:2007:sp2:*:*:*:*:*:*
cpe:2.3:a:microsoft:sharepoint_services:3.0:sp2:x32:*:*:*:*:*
cpe:2.3:a:microsoft:web_apps:*:*:*:*:*:*:*:*

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