{"id":"CVE-2020-18661","aliases":["EUVD-2020-10585","GHSA-jw3g-fq47-7q3j"],"status":"published","title":"Cross Site Scripting (XSS) vulnerability in gnuboard5 \u003c=v5.3.2.8 via the url parameter to bbs...","description":"Cross Site Scripting (XSS) vulnerability in gnuboard5 \u003c=v5.3.2.8 via the url parameter to bbs/login.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":"2026-11-11","score":0.01135,"percentile":0.66914,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-79"],"published":"2021-06-24T14:54:19Z","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","Exploit","Third Party Advisory","evidence"]},{"url":"https://www.seebug.org/vuldb/ssvid-97925","tags":["x_refsource_MISC","x_transferred","Third Party Advisory","advisory"]},{"url":"https://github.com/LoRexxar/CVE_Request/tree/master/gnuboard5%20mul%20vuls%20before%20v5.3.2.8#limited-reflective-xss-in-bbsloginphp","tags":["x_refsource_MISC","x_transferred","Third Party Advisory","advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2020-18661"},{"url":"https://github.com/advisories/GHSA-jw3g-fq47-7q3j"}],"sources":{"cve":[{"id":"CVE-2020-18661","description":"Cross Site Scripting (XSS) vulnerability in gnuboard5 \u003c=v5.3.2.8 via the url parameter to bbs/login.php.","status":"published","published":"2021-06-24T14:54:19Z","modified":"2024-08-04T14:00:49.274Z","updated_at":"2026-11-02T14:35:59.434367Z"}],"euvd":[{"id":"EUVD-2020-10585","description":"Cross Site Scripting (XSS) vulnerability in gnuboard5 \u003c=v5.3.2.8 via the url parameter to bbs/login.php.","status":"published","published":"2021-06-24T14:54:19Z","modified":"2024-08-04T14:00:49Z","updated_at":"2026-11-03T03:07:26.397496Z"}],"ghsa":[{"id":"GHSA-jw3g-fq47-7q3j","title":"Cross Site Scripting (XSS) vulnerability in gnuboard5 \u003c=v5.3.2.8 via the url parameter to bbs...","description":"Cross Site Scripting (XSS) vulnerability in gnuboard5 \u003c=v5.3.2.8 via the url parameter to bbs/login.php.","status":"published","published":"2022-05-24T19:06:08Z","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-2020-18661","description":"Cross Site Scripting (XSS) vulnerability in gnuboard5 \u003c=v5.3.2.8 via the url parameter to bbs/login.php.","status":"published","published":"2021-06-24T15:15:08.113Z","modified":"2026-06-17T02:59:23.133Z","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-2020-18661","description":"Cross Site Scripting (XSS) vulnerability in gnuboard5 \u003c=v5.3.2.8 via the url parameter to bbs/login.php.","status":"published","published":"2021-06-24T15:15:08.113Z","modified":"2026-10-24T10:47:48.115579562Z","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"}]}}