CVE-2008-4020

Name: CVE-2008-4020
Creator: NVD / NIST
Published: 2008-10-15T00:12:15.957+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

UnknownEPSS 24.39%

Last modified Jun 16, 2026

CVE-2008-4020 is a vulnerability of currently unknown severity. Cross-site scripting (XSS) vulnerability in Microsoft Office XP SP3 allows remote attackers to inject arbitrary web script or HTML via a document that contains a "Content-Disposition: attachment" header and is accessed through a cdo: URL, which renders the content instead of raising a File Download dialog box, aka "Vulnerability in Content-Disposition Header Vulnerability.". EPSS estimates a 24.39% chance of exploitation in the next 30 days.

Description

Cross-site scripting (XSS) vulnerability in Microsoft Office XP SP3 allows remote attackers to inject arbitrary web script or HTML via a document that contains a "Content-Disposition: attachment" header and is accessed through a cdo: URL, which renders the content instead of raising a File Download dialog box, aka "Vulnerability in Content-Disposition Header Vulnerability."

Metrics

EPSS Probability

24.39%

97.6th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-79

Affected Software

Vendor	Product	Versions	Update
Microsoft	Office	xp	Sp3

References

Timeline

Published: Oct 15, 2008
Last Modified: Jun 16, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2008-4020?

How severe is CVE-2008-4020?

Severity scoring for CVE-2008-4020 is pending analysis. The EPSS model estimates a 24.39% probability of exploitation in the next 30 days.

How do I fix CVE-2008-4020?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2008-4020?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST