Vulnerability in Microsoft Internet Explorer
CVE-2009-4074
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."
Published · last modified .
CVSS v2 metric
CVSS v2 base score 4.3 (Medium). Vector: AV:N/AC:M/Au:N/C:N/I:P/A:N. This CVE predates CVSS v3 and has no v3 score from NVD.
EPSS exploit prediction
EPSS: 0.148 (96.6th percentile), scored .
Moderate probability of exploitation in the next 30 days — watch for active exploitation reports. 97th percentile — 96.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.148 · newest: 0.148 · change: 0.000
Affected products
- Microsoft Internet Explorer — versions 8
References
- oval.cisecurity.org/repository/search/definition/oval:org.mitre.oval:def:7715 (signature, vdb-entry)
- www.theregister.co.uk/2009/11/20/internet_explorer_security_flaw/
- hackademix.net/2009/11/21/ies-xss-filter-creates-xss-vulnerabilities/
- www.owasp.org/images/5/50/OWASP-Italy_Day_IV_Maone.pdf
- www.securityfocus.com/bid/37135 (vdb-entry)
- docs.microsoft.com/en-us/security-updates/securitybulletins/2010/ms10-002 (vendor-advisory)