XSS in Microsoft Office

CVE-2008-4020

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."

Vulnerability class: XSS (Cross-Site Scripting)

Published · last modified .

CVSS v2 metric

CVSS v2 base score 4.3 (Medium). Vector: AV:N/AC:M/Au:N/C:N/I:P/A:N. This CVE predates CVSS v3 and has no v3 score from NVD.

EPSS exploit prediction

EPSS: 0.244 (97.8th percentile), scored .

Moderate probability of exploitation in the next 30 days — watch for active exploitation reports. 98th percentile — 97.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2008-4020: held from 0.244 to 0.244.

EPSS over last 30 days · oldest: 0.244 · newest: 0.244 · change: 0.000

Affected products

Weakness classification (CWE)

References