CVE-2009-4074
The XSS Filter in Microsoft Internet Explorer 8 allows remote attackers to leverage the "response...
The XSS Filter in Microsoft Internet Explorer 8 allows remote attackers to leverage the "response-changing mechanism" to conduct cross-site scripting (XSS) attacks against web sites that have no inherent XSS vulnerabilities, related to the details of output encoding and improper modification of an HTML attribute, aka "XSS Filter Script Handling Vulnerability."
Exploit likelihood
What each source reports
NVD Score used
The XSS Filter in Microsoft Internet Explorer 8 allows remote attackers to leverage the "response-changing mechanism" to conduct cross-site scripting (XSS) attacks against web sites that have no inherent XSS vulnerabilities, related to the details of output encoding and improper modification of an HTML attribute, aka "XSS Filter Script Handling Vulnerability."
- Record
CVE-2009-4074- CVSS 2.0
- 4.3 Medium
AV:N/AC:M/Au:N/C:N/I:P/A:N - Updated
- 2026-11-02
CVE List No score
The XSS Filter in Microsoft Internet Explorer 8 allows remote attackers to leverage the "response-changing mechanism" to conduct cross-site scripting (XSS) attacks against web sites that have no inherent XSS vulnerabilities, related to the details of output encoding and improper modification of an HTML attribute, aka "XSS Filter Script Handling Vulnerability."
- Record
CVE-2009-4074- Updated
- 2026-11-02
EUVDEUVD-2009-4045 No score
The XSS Filter in Microsoft Internet Explorer 8 allows remote attackers to leverage the "response-changing mechanism" to conduct cross-site scripting (XSS) attacks against web sites that have no inherent XSS vulnerabilities, related to the details of output encoding and improper modification of an HTML attribute, aka "XSS Filter Script Handling Vulnerability."
- Record
EUVD-2009-4045- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-h53p-9rvc-mjwc No score
The XSS Filter in Microsoft Internet Explorer 8 allows remote attackers to leverage the "response...
The XSS Filter in Microsoft Internet Explorer 8 allows remote attackers to leverage the "response-changing mechanism" to conduct cross-site scripting (XSS) attacks against web sites that have no inherent XSS vulnerabilities, related to the details of output encoding and improper modification of an HTML attribute, aka "XSS Filter Script Handling Vulnerability."
- Record
GHSA-h53p-9rvc-mjwc- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2009-4074 is a medium vulnerability (CVSS 4.3) in Microsoft Internet Explorer, published November 25, 2009. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 14.8%, the 96th percentile. No source names a fixed version.
References
oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A7715
theregister.co.uk/2009/11/20/internet_explorer_security_flaw
hackademix.net/2009/11/21/ies-xss-filter-creates-xss-vulnerabilities
owasp.org/images/5/50/OWASP-Italy_Day_IV_Maone.pdf
securityfocus.com/bid/37135
docs.microsoft.com/en-us/security-updates/securitybulletins/2010/ms10-002
nvd.nist.gov/vuln/detail/CVE-2009-4074
github.com/advisories/GHSA-h53p-9rvc-mjwc