CVE-2008-5551

Microsoft Internet Explorer 8.0 Beta 2 - XSS

Title source: llm
STIX 2.1

Exploitation Summary

EIP tracks 1 public exploit for CVE-2008-5551. PoCs published by Rafel Ivgi.

AI-analyzed exploit summary This exploit demonstrates a bypass of the XSS filter in Internet Explorer 8 beta 2 by injecting a malicious CSS expression via a style tag. The PoC triggers an alert dialog, proving the vulnerability.

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."

Exploits (1)

exploitdb WORKING POC VERIFIED
by Rafel Ivgi · textremotewindows
https://www.exploit-db.com/exploits/32654

This exploit demonstrates a bypass of the XSS filter in Internet Explorer 8 beta 2 by injecting a malicious CSS expression via a style tag. The PoC triggers an alert dialog, proving the vulnerability.

Classification
Working Poc 90%
Attack Type
Xss
Complexity
Trivial
Reliability
Reliable
Target: Microsoft Internet Explorer 8 beta 2
No auth needed
Prerequisites: Victim must visit a crafted webpage using IE8 beta 2
MITRE ATT&CK
devstral-2 · analyzed Feb 16, 2026 Full analysis →

References (4)

Core 4
Core References
Exploit vdb-entry x_refsource_bid
http://www.securityfocus.com/bid/32780
Third Party Advisory third-party-advisory x_refsource_sreason
http://securityreason.com/securityalert/4724
Third Party Advisory, VDB Entry vdb-entry x_refsource_xf
https://exchange.xforce.ibmcloud.com/vulnerabilities/47277
Third Party Advisory, VDB Entry mailing-list x_refsource_bugtraq
http://www.securityfocus.com/archive/1/499124/100/0/threaded

Scores

EPSS 0.1399
EPSS Percentile 96.1%

Details

CWE
CWE-79
Status published
Products (1)
microsoft/internet_explorer 8 beta2
Published Dec 12, 2008
Tracked Since Feb 18, 2026