{"id":"CVE-2008-5553","aliases":["EUVD-2008-5528","GHSA-gm69-8xmr-8wqr"],"status":"published","title":"The XSS Filter in Microsoft Internet Explorer 8.0 Beta 2 disables itself upon encountering a...","description":"The XSS Filter in Microsoft Internet Explorer 8.0 Beta 2 disables itself upon encountering a certain X-XSS-Protection HTTP header, which allows remote attackers to bypass the XSS protection mechanism and conduct XSS attacks by injecting this header after a CRLF sequence. NOTE: the vendor has reportedly stated that the XSS Filter intentionally does not attempt to \"address every conceivable XSS attack scenario.\"","severity":{"version":"2.0","score":4.3,"vector":"AV:N/AC:M/Au:N/C:N/I:P/A:N","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-08","score":0.11565,"percentile":0.96061,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-79"],"published":"2008-12-12T18:13:00Z","modified":"2026-06-16T23:00:32Z","products":[{"vendor":"microsoft","product":"internet_explorer"}],"references":[{"url":"https://exchange.xforce.ibmcloud.com/vulnerabilities/47277","tags":["vdb-entry","x_refsource_XF","x_transferred"]},{"url":"https://exchange.xforce.ibmcloud.com/vulnerabilities/47442","tags":["vdb-entry","x_refsource_XF","x_transferred"]},{"url":"http://www.securityfocus.com/archive/1/499124/100/0/threaded","tags":["mailing-list","x_refsource_BUGTRAQ","x_transferred"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2008-5553"},{"url":"https://github.com/advisories/GHSA-gm69-8xmr-8wqr"}],"sources":{"cve":[{"id":"CVE-2008-5553","description":"The XSS Filter in Microsoft Internet Explorer 8.0 Beta 2 disables itself upon encountering a certain X-XSS-Protection HTTP header, which allows remote attackers to bypass the XSS protection mechanism and conduct XSS attacks by injecting this header after a CRLF sequence. NOTE: the vendor has reportedly stated that the XSS Filter intentionally does not attempt to \"address every conceivable XSS attack scenario.\"","status":"published","published":"2008-12-12T18:13:00Z","modified":"2024-08-07T10:56:46.912Z","updated_at":"2026-11-02T14:34:43.943588Z"}],"euvd":[{"id":"EUVD-2008-5528","description":"The XSS Filter in Microsoft Internet Explorer 8.0 Beta 2 disables itself upon encountering a certain X-XSS-Protection HTTP header, which allows remote attackers to bypass the XSS protection mechanism and conduct XSS attacks by injecting this header after a CRLF sequence. NOTE: the vendor has reportedly stated that the XSS Filter intentionally does not attempt to \"address every conceivable XSS attack scenario.\"","status":"published","published":"2008-12-12T18:13:00Z","modified":"2024-08-07T10:56:46Z","updated_at":"2026-11-03T01:38:42.900299Z"}],"ghsa":[{"id":"GHSA-gm69-8xmr-8wqr","title":"The XSS Filter in Microsoft Internet Explorer 8.0 Beta 2 disables itself upon encountering a...","description":"The XSS Filter in Microsoft Internet Explorer 8.0 Beta 2 disables itself upon encountering a certain X-XSS-Protection HTTP header, which allows remote attackers to bypass the XSS protection mechanism and conduct XSS attacks by injecting this header after a CRLF sequence. NOTE: the vendor has reportedly stated that the XSS Filter intentionally does not attempt to \"address every conceivable XSS attack scenario.\"","status":"published","published":"2022-05-14T02:39:47Z","modified":"2023-02-02T05:06:37Z","cwes":["CWE-79"],"updated_at":"2026-11-02T14:52:20.153716Z"}],"nvd":[{"id":"CVE-2008-5553","description":"The XSS Filter in Microsoft Internet Explorer 8.0 Beta 2 disables itself upon encountering a certain X-XSS-Protection HTTP header, which allows remote attackers to bypass the XSS protection mechanism and conduct XSS attacks by injecting this header after a CRLF sequence. NOTE: the vendor has reportedly stated that the XSS Filter intentionally does not attempt to \"address every conceivable XSS attack scenario.\"","status":"published","published":"2008-12-12T18:30:03.313Z","modified":"2026-06-16T23:00:32.493Z","cvss":[{"version":"2.0","score":4.3,"vector":"AV:N/AC:M/Au:N/C:N/I:P/A:N","level":"medium","assessor":"primary"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T14:01:30.411919Z"}]}}