{"id":"CVE-2020-21353","aliases":["EUVD-2020-14125","GHSA-7rx9-2m95-hgp8"],"status":"published","title":"A stored cross site scripting (XSS) vulnerability in /admin/snippets.php of GetSimple CMS 3.4.0a...","description":"A stored cross site scripting (XSS) vulnerability in /admin/snippets.php of GetSimple CMS 3.4.0a allows attackers to execute arbitrary web scripts or HTML via crafted payload in the Edit Snippets module.","severity":{"version":"3.1","score":5.4,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-11","score":0.00549,"percentile":0.46398,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-79"],"published":"2021-08-06T22:36:18Z","modified":"2026-06-17T03:03:38Z","products":[{"vendor":"get-simple","product":"getsimplecms"}],"references":[{"url":"https://github.com/GetSimpleCMS/GetSimpleCMS/issues/1319","tags":["x_refsource_MISC","x_transferred","Exploit","Third Party Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2020-21353"},{"url":"https://github.com/advisories/GHSA-7rx9-2m95-hgp8"}],"sources":{"cve":[{"id":"CVE-2020-21353","description":"A stored cross site scripting (XSS) vulnerability in /admin/snippets.php of GetSimple CMS 3.4.0a allows attackers to execute arbitrary web scripts or HTML via crafted payload in the Edit Snippets module.","status":"published","published":"2021-08-06T22:36:18Z","modified":"2024-08-04T14:22:25.546Z","updated_at":"2026-11-02T14:35:48.854892Z"}],"euvd":[{"id":"EUVD-2020-14125","description":"A stored cross site scripting (XSS) vulnerability in /admin/snippets.php of GetSimple CMS 3.4.0a allows attackers to execute arbitrary web scripts or HTML via crafted payload in the Edit Snippets module.","status":"published","published":"2021-08-06T22:36:18Z","modified":"2024-08-04T14:22:25Z","updated_at":"2026-11-03T03:07:23.734565Z"}],"ghsa":[{"id":"GHSA-7rx9-2m95-hgp8","title":"A stored cross site scripting (XSS) vulnerability in /admin/snippets.php of GetSimple CMS 3.4.0a...","description":"A stored cross site scripting (XSS) vulnerability in /admin/snippets.php of GetSimple CMS 3.4.0a allows attackers to execute arbitrary web scripts or HTML via crafted payload in the Edit Snippets module.","status":"published","published":"2022-05-24T19:10:22Z","modified":"2023-01-30T05:01:15Z","cwes":["CWE-79"],"updated_at":"2026-11-02T14:46:22.480874Z"}],"nvd":[{"id":"CVE-2020-21353","description":"A stored cross site scripting (XSS) vulnerability in /admin/snippets.php of GetSimple CMS 3.4.0a allows attackers to execute arbitrary web scripts or HTML via crafted payload in the Edit Snippets module.","status":"published","published":"2021-08-06T23:15:07.823Z","modified":"2026-06-17T03:03:38.243Z","cvss":[{"version":"3.1","score":5.4,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N","level":"medium","assessor":"primary"},{"version":"2.0","score":3.5,"vector":"AV:N/AC:M/Au:S/C:N/I:P/A:N","level":"low","assessor":"primary"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T14:06:44.292752Z"}]}}