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Vulnerability record · CVE-2008-5551 · published 12 December 2008

CVE-2008-5551: Microsoft internet explorer cross-site scripting vulnerability

Microsoft · Internet Explorer

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."

4.3 CVSS 2.0 Medium EPSS 14% · top 3.6% CWE-79 · Cross-site scripting
4.3CVSS 2.0 base score
14%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
8References, 2 tagged exploit
16 Jun 2026Last modified by NVD

Description

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."

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

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
http://securityreason.com/securityalert/4724
http://www.securityfocus.com/archive/1/499124/100/0/threaded
http://www.securityfocus.com/bid/32780 Exploit
https://exchange.xforce.ibmcloud.com/vulnerabilities/47277
http://securityreason.com/securityalert/4724
http://www.securityfocus.com/archive/1/499124/100/0/threaded
http://www.securityfocus.com/bid/32780 Exploit
https://exchange.xforce.ibmcloud.com/vulnerabilities/47277

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2008-5551), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.