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CVE-2008-4020

27
FAUCET Score

CVE-2008-4020 is a Cross-Site Scripting (XSS) vulnerability affecting Microsoft Office XP SP3. It allows remote attackers to inject arbitrary web script or HTML by crafting a document with a specific "Content-Disposition: attachment" header, which Office then renders via a cdo: URL instead of prompting a download. This vulnerability has a CVSS score of 4.3, indicating a medium attack complexity and potential for partial integrity impact, but no confidentiality or availability impact. While there is no known active exploitation or public exploit code (Metasploit, Nuclei, ExploitDB), the CVE has garnered significant community discussion with 10 mentions, placing it in the top 1% for community attention.

Impacted Technologies

VendorProductVersion(s)CPE
xpCPE matchmatch criteria
cpe:2.3:a:microsoft:office:xp:sp3:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

4.3MEDIUM

AV:N/AC:M/Au:N/C:N/I:P/A:N

Confidentiality Impact
NONE
Integrity Impact
PARTIAL
Availability Impact
NONE
Access Vector
NETWORK
Access Complexity
MEDIUM
Authentication
NONE
Exploitability Score
8.6
Impact Score
2.9
CvssVersion
2.0

Exploit Intelligence

EPSS Score
24.39%
Probability of exploitation in next 30 days
EPSS Percentile
97.6%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.2439 is in the 98th percentile among its peer group of 19,956 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.0 Bluesky, 0.0 Mastodon, and 0.2 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.0 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

jvndb.jvn.jp / ja/contents/2008/JVNDB-2008-000070.html
jvn.jp / en/jp/JVN55410403/index.html
marc.info
docs.microsoft.com / en-us/security-updates/securitybulletins/2008/ms08-056
secunia.com / advisories/32138
PatchVendor Advisory
exchange.xforce.ibmcloud.com / vulnerabilities/45546
exchange.xforce.ibmcloud.com / vulnerabilities/45550
oval.cisecurity.org / repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A5969
securityfocus.com / bid/31693
Patch
securitytracker.com / id
us-cert.gov / cas/techalerts/TA08-288A.html
US Government Resource
vupen.com / english/advisories/2008/2807