How severe is CVE-2008-5026?

CVE-2008-5026 has a CVSS 2.0 base score of 3.5, rated low severity.

Is CVE-2008-5026 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 9% (95th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2008-5026?

CVE-2008-5026 affects Microsoft Sharepoint Server. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2008-5026?

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

When was CVE-2008-5026 published?

CVE-2008-5026 was published on 2008-11-10 and last updated on 2026-06-16.

CVE-2008-5026

CVE-2008-5026 is a low-severity vulnerability in Microsoft Sharepoint Server with a CVSS 2.0 base score of 3.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-79.

Key facts

Severity: Low (CVSS 2.0 base score 3.5)
EPSS exploit prediction: 9% (95th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-79
Affected product: Microsoft Sharepoint Server
Published: 2008-11-10
Last modified: 2026-06-16

Description

Microsoft SharePoint uses URLs with the same hostname and port number for a web site's primary files and individual users' uploaded files (aka attachments), which allows remote authenticated users to leverage same-origin relationships and conduct cross-site scripting (XSS) attacks by uploading HTML documents.

Frequently asked questions

What is CVE-2008-5026?: Microsoft SharePoint uses URLs with the same hostname and port number for a web site's primary files and individual users' uploaded files (aka attachments), which allows remote authenticated users to leverage same-origin relationships and conduct cross-site scripting (XSS) attacks by uploading HTML documents.
How severe is CVE-2008-5026?: CVE-2008-5026 has a CVSS 2.0 base score of 3.5, rated low severity.
Is CVE-2008-5026 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 9% (95th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2008-5026?: CVE-2008-5026 affects Microsoft Sharepoint Server. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2008-5026?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2008-5026 published?: CVE-2008-5026 was published on 2008-11-10 and last updated on 2026-06-16.

References

Affected products (1)

cpe:2.3:a:microsoft:sharepoint_server:*:*:*:*:*:*:*:*

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