{"id":"CVE-2020-21387","aliases":["EUVD-2020-14159","GHSA-h27q-vg4q-q84x"],"status":"published","title":"A cross-site scripting (XSS) vulnerability in the parameter type_en of Maccms 10 allows attackers...","description":"A cross-site scripting (XSS) vulnerability in the parameter type_en of Maccms 10 allows attackers to obtain the administrator cookie and escalate privileges via a crafted payload.","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":0.00574,"percentile":0.47708,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-79"],"published":"2021-10-04T19:18:55Z","modified":"2026-06-17T03:03:39Z","products":[{"vendor":"maccms","product":"maccms"}],"references":[{"url":"https://github.com/magicblack/maccms10/issues/126","tags":["x_refsource_MISC","x_transferred","Exploit","Issue Tracking","Third Party Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2020-21387"},{"url":"https://github.com/advisories/GHSA-h27q-vg4q-q84x"}],"sources":{"cve":[{"id":"CVE-2020-21387","description":"A cross-site scripting (XSS) vulnerability in the parameter type_en of Maccms 10 allows attackers to obtain the administrator cookie and escalate privileges via a crafted payload.","status":"published","published":"2021-10-04T19:18:55Z","modified":"2024-08-04T14:30:32.006Z","updated_at":"2026-11-02T14:35:48.854892Z"}],"euvd":[{"id":"EUVD-2020-14159","description":"A cross-site scripting (XSS) vulnerability in the parameter type_en of Maccms 10 allows attackers to obtain the administrator cookie and escalate privileges via a crafted payload.","status":"published","published":"2021-10-04T19:18:55Z","modified":"2024-08-04T14:30:32Z","updated_at":"2026-11-03T03:07:23.734565Z"}],"ghsa":[{"id":"GHSA-h27q-vg4q-q84x","title":"A cross-site scripting (XSS) vulnerability in the parameter type_en of Maccms 10 allows attackers...","description":"A cross-site scripting (XSS) vulnerability in the parameter type_en of Maccms 10 allows attackers to obtain the administrator cookie and escalate privileges via a crafted payload.","status":"published","published":"2022-05-24T19:16:24Z","modified":"2023-01-30T05:02:34Z","cwes":["CWE-79"],"updated_at":"2026-11-02T14:46:39.888016Z"}],"nvd":[{"id":"CVE-2020-21387","description":"A cross-site scripting (XSS) vulnerability in the parameter type_en of Maccms 10 allows attackers to obtain the administrator cookie and escalate privileges via a crafted payload.","status":"published","published":"2021-10-04T20:15:07.64Z","modified":"2026-06-17T03:03:39.613Z","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":"2026-11-02T14:06:45.704484Z"}]}}