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CVE-2008-5551

MediumPublished

The XSS Filter in Microsoft Internet Explorer 8.0 Beta 2 allows remote attackers to bypass the XSS protection mechanism and conduct XSS attacks by injecting...

Published: Dec 12, 2008
Updated: Aug 7, 2024
Assigning CNA: mitre
Evidence observed: Dec 11, 2008

Primary CVSS

4.3/ 10Medium

nvd · CVSS 2.0

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

EPSS probability estimate

14.0%

Moderate · next 30 days

Percentile: 96.4%
Model date: Sep 21, 2026

EPSS is a statistical estimate, not a certainty or a measure of impact. Combine it with CVSS, KEV status, exposure and your environment.

Summary

The XSS Filter in Microsoft Internet Explorer 8.0 Beta 2 allows remote attackers to bypass the XSS protection mechanism and conduct XSS attacks by injecting data at two different positions within an HTML document, related to STYLE elements and the CSS expression property, aka a "double injection."

Sources

Microsoft Internet Explorer 8 - CSS 'expression' Property Cross-Site Scripting Filter BypassExploit
Rafel Ivgi · windows · Dec 11, 2008

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