{"id":"CVE-2020-29257","aliases":["EUVD-2020-21632","GHSA-9hfm-mhvm-8rx7"],"status":"published","title":"Cross-site scripting (XSS) vulnerability in Online Examination System 1.0 via the q parameter to...","description":"Cross-site scripting (XSS) vulnerability in Online Examination System 1.0 via the q parameter to feedback.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":0.007,"percentile":0.53512,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-79"],"published":"2020-12-09T22:18:59Z","modified":"2026-06-17T03:11:10Z","products":[{"vendor":"online_examination_system_project","product":"online_examination_system"}],"references":[{"url":"https://asfiyashaikh20.medium.com/exploit-for-cve-2020-29257-reflected-cross-site-scripting-xss-vulnerability-4a7bf9ae7d80","tags":["x_refsource_MISC","x_transferred","Exploit","Third Party Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2020-29257"},{"url":"https://github.com/advisories/GHSA-9hfm-mhvm-8rx7"}],"sources":{"cve":[{"id":"CVE-2020-29257","description":"Cross-site scripting (XSS) vulnerability in Online Examination System 1.0 via the q parameter to feedback.php.","status":"published","published":"2020-12-09T22:18:59Z","modified":"2024-08-04T16:48:01.622Z","updated_at":"2026-11-02T14:35:55.460269Z"}],"euvd":[{"id":"EUVD-2020-21632","description":"Cross-site scripting (XSS) vulnerability in Online Examination System 1.0 via the q parameter to feedback.php.","status":"published","published":"2020-12-09T22:18:59Z","modified":"2024-08-04T16:48:01Z","updated_at":"2026-11-03T03:07:07.919663Z"}],"ghsa":[{"id":"GHSA-9hfm-mhvm-8rx7","title":"Cross-site scripting (XSS) vulnerability in Online Examination System 1.0 via the q parameter to...","description":"Cross-site scripting (XSS) vulnerability in Online Examination System 1.0 via the q parameter to feedback.php.","status":"published","published":"2022-05-24T17:35:58Z","modified":"2023-01-29T05:05:34Z","cwes":["CWE-79"],"updated_at":"2026-11-02T14:45:49.336023Z"}],"nvd":[{"id":"CVE-2020-29257","description":"Cross-site scripting (XSS) vulnerability in Online Examination System 1.0 via the q parameter to feedback.php.","status":"published","published":"2020-12-09T23:15:12.34Z","modified":"2026-06-17T03:11:10.22Z","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":"2026-11-02T14:06:27.10541Z"}]}}