{"id":"CVE-2011-4962","aliases":["EUVD-2022-4010","GHSA-gv6c-59h4-9pmg"],"status":"published","title":"Silverstripe CMS Arbitrary Code Execution","description":"code/sitefeatures/PageCommentInterface.php in SilverStripe 2.4.x before 2.4.6 might allow remote attackers to execute arbitrary code via a crafted cookie in a user comment submission, which is not properly handled when it is deserialized.","severity":{"version":"2.0","score":6.8,"vector":"AV:N/AC:M/Au:N/C:P/I:P/A:P","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-08","score":0.03918,"percentile":0.90405,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-20","CWE-502"],"published":"2012-09-17T17:00:00Z","modified":"2026-06-16T23:35:43Z","fixes":[{"ecosystem":"Packagist","package":"silverstripe/cms","fixed_in":["2.4.6"],"sources":["ghsa","osv"]}],"affected":[{"source":"ghsa","ecosystem":"Packagist","package":"silverstripe/cms","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"2.4.0"},{"fixed":"2.4.6"}]}]},{"source":"osv","ecosystem":"Packagist","package":"silverstripe/cms","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"2.4.0"},{"fixed":"2.4.6"}]}]}],"products":[{"vendor":"silverstripe","product":"silverstripe"}],"references":[{"url":"http://www.openwall.com/lists/oss-security/2012/04/30/1","tags":["mailing-list","x_refsource_MLIST","x_transferred","Patch","web"]},{"url":"https://github.com/silverstripe/silverstripe-cms/commit/d15e850","tags":["x_refsource_CONFIRM","x_transferred","Exploit","Patch"]},{"url":"http://www.openwall.com/lists/oss-security/2012/04/30/3","tags":["mailing-list","x_refsource_MLIST","x_transferred","web"]},{"url":"http://doc.silverstripe.org/framework/en/trunk/changelogs/2.4.6","tags":["x_refsource_CONFIRM","x_transferred","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2011-4962","tags":["advisory"]},{"url":"https://github.com/silverstripe/silverstripe-cms/commit/d15e8509b01ff2dbbe3028a055021a29b1065b22","tags":["web"]},{"url":"https://web.archive.org/web/20120621234353/http://doc.silverstripe.org/framework/en/trunk/changelogs/2.4.6","tags":["web"]},{"url":"https://github.com/advisories/GHSA-gv6c-59h4-9pmg"},{"url":"https://github.com/silverstripe/silverstripe-cms","tags":["package"]}],"sources":{"cve":[{"id":"CVE-2011-4962","description":"code/sitefeatures/PageCommentInterface.php in SilverStripe 2.4.x before 2.4.6 might allow remote attackers to execute arbitrary code via a crafted cookie in a user comment submission, which is not properly handled when it is deserialized.","status":"published","published":"2012-09-17T17:00:00Z","modified":"2024-09-17T03:23:38.376Z","updated_at":"2026-11-02T14:35:37.671707Z"}],"euvd":[{"id":"EUVD-2022-4010","description":"code/sitefeatures/PageCommentInterface.php in SilverStripe 2.4.x before 2.4.6 might allow remote attackers to execute arbitrary code via a crafted cookie in a user comment submission, which is not properly handled when it is deserialized.","status":"published","published":"2012-09-17T17:00:00Z","modified":"2024-09-17T03:23:38Z","updated_at":"2026-11-03T00:28:32.08327Z"}],"ghsa":[{"id":"GHSA-gv6c-59h4-9pmg","title":"Silverstripe CMS Arbitrary Code Execution","description":"`code/sitefeatures/PageCommentInterface.php` in SilverStripe 2.4.x before 2.4.6 might allow remote attackers to execute arbitrary code via a crafted cookie in a user comment submission, which is not properly handled when it is deserialized.","status":"published","published":"2022-05-17T05:22:06Z","modified":"2024-01-19T17:34:36Z","cwes":["CWE-20","CWE-502"],"updated_at":"2026-11-02T14:37:31.550603Z"}],"nvd":[{"id":"CVE-2011-4962","description":"code/sitefeatures/PageCommentInterface.php in SilverStripe 2.4.x before 2.4.6 might allow remote attackers to execute arbitrary code via a crafted cookie in a user comment submission, which is not properly handled when it is deserialized.","status":"published","published":"2012-09-17T17:55:02.987Z","modified":"2026-06-16T23:35:43.96Z","cvss":[{"version":"2.0","score":6.8,"vector":"AV:N/AC:M/Au:N/C:P/I:P/A:P","level":"medium","assessor":"primary"}],"cwes":["CWE-20"],"updated_at":"2026-11-02T14:02:12.639283Z"}],"osv":[{"id":"GHSA-gv6c-59h4-9pmg","title":"Silverstripe CMS Arbitrary Code Execution","description":"`code/sitefeatures/PageCommentInterface.php` in SilverStripe 2.4.x before 2.4.6 might allow remote attackers to execute arbitrary code via a crafted cookie in a user comment submission, which is not properly handled when it is deserialized.","status":"published","published":"2022-05-17T05:22:06Z","modified":"2024-01-19T17:58:29.247067Z","cwes":["CWE-20","CWE-502"],"updated_at":"2026-11-02T15:46:48.191583Z"}]}}