{"id":"CVE-2020-18663","aliases":["EUVD-2020-10587","GHSA-9f2j-hwhw-8fxw"],"status":"published","title":"Cross Site Scripting (XSS) vulnerability in gnuboard5 \u003c=v5.3.2.8 via the act parameter in bbs...","description":"Cross Site Scripting (XSS) vulnerability in gnuboard5 \u003c=v5.3.2.8 via the act parameter in bbs/move_update.php.","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":"2026-11-10","score":0.01055,"percentile":0.64692,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-79"],"published":"2021-06-24T15:03:57Z","modified":"2026-10-24T10:47:48Z","products":[{"vendor":"sir","product":"gnuboard"}],"references":[{"url":"https://github.com/gnuboard/gnuboard5/issues/43","tags":["x_refsource_MISC","x_transferred","Technical Description","article"]},{"url":"https://www.seebug.org/vuldb/ssvid-97926","tags":["x_refsource_MISC","x_transferred","Technical Description","article"]},{"url":"https://github.com/LoRexxar/CVE_Request/tree/master/gnuboard5%20mul%20vuls%20before%20v5.3.2.8#reflective-xss-in-bbsmove_updatephp","tags":["x_refsource_MISC","x_transferred","Exploit","Technical Description","evidence"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2020-18663"},{"url":"https://github.com/advisories/GHSA-9f2j-hwhw-8fxw"}],"sources":{"cve":[{"id":"CVE-2020-18663","description":"Cross Site Scripting (XSS) vulnerability in gnuboard5 \u003c=v5.3.2.8 via the act parameter in bbs/move_update.php.","status":"published","published":"2021-06-24T15:03:57Z","modified":"2024-08-04T14:00:49.274Z","updated_at":"2026-11-02T14:35:59.434367Z"}],"euvd":[{"id":"EUVD-2020-10587","description":"Cross Site Scripting (XSS) vulnerability in gnuboard5 \u003c=v5.3.2.8 via the act parameter in bbs/move_update.php.","status":"published","published":"2021-06-24T15:03:57Z","modified":"2024-08-04T14:00:49Z","updated_at":"2026-11-03T03:07:26.397496Z"}],"ghsa":[{"id":"GHSA-9f2j-hwhw-8fxw","title":"Cross Site Scripting (XSS) vulnerability in gnuboard5 \u003c=v5.3.2.8 via the act parameter in bbs...","description":"Cross Site Scripting (XSS) vulnerability in gnuboard5 \u003c=v5.3.2.8 via the act parameter in bbs/move_update.php.","status":"published","published":"2022-05-24T19:06:07Z","modified":"2024-09-19T12:31:20Z","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":"2026-11-02T14:58:18.045833Z"}],"nvd":[{"id":"CVE-2020-18663","description":"Cross Site Scripting (XSS) vulnerability in gnuboard5 \u003c=v5.3.2.8 via the act parameter in bbs/move_update.php.","status":"published","published":"2021-06-24T16:15:08.197Z","modified":"2026-06-17T02:59:23.367Z","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-79"],"updated_at":"2026-11-02T14:06:44.292752Z"}],"osv":[{"id":"CVE-2020-18663","description":"Cross Site Scripting (XSS) vulnerability in gnuboard5 \u003c=v5.3.2.8 via the act parameter in bbs/move_update.php.","status":"published","published":"2021-06-24T16:15:08.197Z","modified":"2026-10-24T10:47:48.149739214Z","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"}],"updated_at":"2026-11-02T15:44:15.212689Z"}]}}