CVE-2008-4020 Cross-site scripting in n/a

What is CVE-2008-4020?

CVE-2008-4020 is a medium-severity cross-site scripting vulnerability in Microsoft Office, published on 15 Oct 2008. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.

Official 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."

Weakness: CWE-79

Which versions are affected by CVE-2008-4020?

It affects 1 product.

Products include Microsoft Office.

How do I fix CVE-2008-4020?

No fix has been published for CVE-2008-4020 yet. Limit exposure of the affected software until one is available.

Escape output for the context it lands in and set a strict Content Security Policy. Upgrading the affected component is the real fix. More about Cross-site scripting.

Is CVE-2008-4020 being exploited?

There is no known exploitation of CVE-2008-4020 in the wild and no public exploit code.

Other vulnerabilities in Microsoft Office

• CVE-2018-0798 Microsoft Office Memory Corruption Exploited High 8.8
• CVE-2015-1770 Microsoft Office Uninitialized Memory Use Exploited High 8.8
• CVE-2006-2492 Microsoft Word Malformed Object Pointer Exploited High 8.8
• CVE-2018-0802 Microsoft Office Memory Corruption Exploited High 7.8
• CVE-2017-11882 Microsoft Office Memory Corruption Exploited High 7.8

All Microsoft Office vulnerabilities

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as GHSA-hmhj-jwx3-6q6x.