{"id":"CVE-2021-39249","aliases":["EUVD-2021-25611","GHSA-59jh-f55w-rf36"],"status":"published","title":"Invision Community (aka IPS Community Suite or IP-Board) before 4.6.5.1 allows reflected XSS...","description":"Invision Community (aka IPS Community Suite or IP-Board) before 4.6.5.1 allows reflected XSS because the filenames of uploaded files become predictable through a brute-force attack against the PHP mt_rand function.","severity":{"version":"3.1","score":6.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-09","score":0.00768,"percentile":0.55837,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-330","CWE-79"],"published":"2021-08-17T22:02:27Z","modified":"2026-06-17T04:03:24Z","products":[{"vendor":"invisioncommunity","product":"invision_power_board"}],"references":[{"url":"https://ssd-disclosure.com/ssd-advisory-ip-board-stored-xss-to-rce-chain/","tags":["x_refsource_MISC","x_transferred","Exploit","Third Party Advisory"]},{"url":"https://invisioncommunity.com/release-notes/4651-r102/","tags":["x_refsource_MISC","x_transferred","Release Notes","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-39249"},{"url":"https://github.com/advisories/GHSA-59jh-f55w-rf36"}],"sources":{"cve":[{"id":"CVE-2021-39249","description":"Invision Community (aka IPS Community Suite or IP-Board) before 4.6.5.1 allows reflected XSS because the filenames of uploaded files become predictable through a brute-force attack against the PHP mt_rand function.","status":"published","published":"2021-08-17T22:02:27Z","modified":"2024-08-04T02:06:40.956Z","updated_at":"2026-11-02T14:33:09.175141Z"}],"euvd":[{"id":"EUVD-2021-25611","description":"Invision Community (aka IPS Community Suite or IP-Board) before 4.6.5.1 allows reflected XSS because the filenames of uploaded files become predictable through a brute-force attack against the PHP mt_rand function.","status":"published","published":"2021-08-17T22:02:27Z","modified":"2024-08-04T02:06:40Z","updated_at":"2026-11-03T03:24:23.719378Z"}],"ghsa":[{"id":"GHSA-59jh-f55w-rf36","title":"Invision Community (aka IPS Community Suite or IP-Board) before 4.6.5.1 allows reflected XSS...","description":"Invision Community (aka IPS Community Suite or IP-Board) before 4.6.5.1 allows reflected XSS because the filenames of uploaded files become predictable through a brute-force attack against the PHP mt_rand function.","status":"published","published":"2022-05-24T19:11:38Z","modified":"2023-01-27T05:03:16Z","cvss":[{"version":"3.1","score":6.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N","level":"medium"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T14:42:12.753514Z"}],"nvd":[{"id":"CVE-2021-39249","description":"Invision Community (aka IPS Community Suite or IP-Board) before 4.6.5.1 allows reflected XSS because the filenames of uploaded files become predictable through a brute-force attack against the PHP mt_rand function.","status":"published","published":"2021-08-17T23:15:07.617Z","modified":"2026-06-17T04:03:24.037Z","cvss":[{"version":"3.1","score":6.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N","level":"medium","assessor":"primary"},{"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-330"],"updated_at":"2026-11-02T14:06:57.318236Z"}]}}