{"id":"CVE-2006-6421","aliases":["EUVD-2006-6404","GHSA-72m2-fw2r-7r4h"],"status":"published","title":"Cross-site scripting (XSS) vulnerability in the private message box implementation (privmsg.php)...","description":"Cross-site scripting (XSS) vulnerability in the private message box implementation (privmsg.php) in phpBB 2.0.x allows remote authenticated users to inject arbitrary web script or HTML via the \"Message body\" field in a message to a non-existent user.","severity":{"version":"2.0","score":6,"vector":"AV:N/AC:M/Au:S/C:P/I:P/A:P","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-11","score":0.16079,"percentile":0.96962,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":true,"fix_available":false},"published":"2006-12-10T11:00:00Z","modified":"2026-06-16T22:33:05Z","exploits":[{"source":"exploitdb","id":"EDB-29442","title":"phpBB 2.0.21 - 'privmsg.php' HTML Injection","type":"webapps","platform":"php","date":"2007-01-11","verified":true,"url":"https://www.exploit-db.com/exploits/29442"}],"products":[{"vendor":"phpbb_group","product":"phpbb"}],"references":[{"url":"https://exchange.xforce.ibmcloud.com/vulnerabilities/30776","tags":["vdb-entry","x_refsource_XF","x_transferred"]},{"url":"http://www.securityfocus.com/archive/1/456579/100/0/threaded","tags":["mailing-list","x_refsource_BUGTRAQ","x_transferred"]},{"url":"http://www.phpbb.com/phpBB/viewtopic.php?f=14\u0026t=489624","tags":["x_refsource_CONFIRM","x_transferred"]},{"url":"http://www.securityfocus.com/archive/1/456728/100/100/threaded","tags":["mailing-list","x_refsource_BUGTRAQ","x_transferred"]},{"url":"http://www.securityfocus.com/bid/22001","tags":["vdb-entry","x_refsource_BID","x_transferred"]},{"url":"http://www.securityfocus.com/bid/21806","tags":["vdb-entry","x_refsource_BID","x_transferred"]},{"url":"http://www.securityfocus.com/archive/1/456784/100/100/threaded","tags":["mailing-list","x_refsource_BUGTRAQ","x_transferred"]},{"url":"http://www.securityfocus.com/archive/1/453774/100/0/threaded","tags":["mailing-list","x_refsource_BUGTRAQ","x_transferred"]},{"url":"http://secunia.com/advisories/23283","tags":["third-party-advisory","x_refsource_SECUNIA","x_transferred"]},{"url":"http://securityreason.com/securityalert/2005","tags":["third-party-advisory","x_refsource_SREASON","x_transferred"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2006-6421"},{"url":"https://github.com/advisories/GHSA-72m2-fw2r-7r4h"}],"sources":{"cve":[{"id":"CVE-2006-6421","description":"Cross-site scripting (XSS) vulnerability in the private message box implementation (privmsg.php) in phpBB 2.0.x allows remote authenticated users to inject arbitrary web script or HTML via the \"Message body\" field in a message to a non-existent user.","status":"published","published":"2006-12-10T11:00:00Z","modified":"2024-08-07T20:26:46.001Z","updated_at":"2026-11-02T14:33:50.374603Z"}],"euvd":[{"id":"EUVD-2006-6404","description":"Cross-site scripting (XSS) vulnerability in the private message box implementation (privmsg.php) in phpBB 2.0.x allows remote authenticated users to inject arbitrary web script or HTML via the \"Message body\" field in a message to a non-existent user.","status":"published","published":"2006-12-10T11:00:00Z","modified":"2024-08-07T20:26:46Z","updated_at":"2026-11-03T01:15:43.437132Z"}],"ghsa":[{"id":"GHSA-72m2-fw2r-7r4h","title":"Cross-site scripting (XSS) vulnerability in the private message box implementation (privmsg.php)...","description":"Cross-site scripting (XSS) vulnerability in the private message box implementation (privmsg.php) in phpBB 2.0.x allows remote authenticated users to inject arbitrary web script or HTML via the \"Message body\" field in a message to a non-existent user.","status":"published","published":"2022-05-01T07:37:48Z","modified":"2023-01-31T05:02:32Z","updated_at":"2026-11-02T14:48:16.940122Z"}],"nvd":[{"id":"CVE-2006-6421","description":"Cross-site scripting (XSS) vulnerability in the private message box implementation (privmsg.php) in phpBB 2.0.x allows remote authenticated users to inject arbitrary web script or HTML via the \"Message body\" field in a message to a non-existent user.","status":"published","published":"2006-12-10T11:28:00Z","modified":"2026-06-16T22:33:05.96Z","cvss":[{"version":"2.0","score":6,"vector":"AV:N/AC:M/Au:S/C:P/I:P/A:P","level":"medium","assessor":"primary"}],"updated_at":"2026-11-02T14:01:09.852738Z"}]}}