{"id":"CVE-2020-36932","aliases":["EUVD-2026-4635","GHSA-98f4-2wgg-m2jf"],"status":"published","title":"Seacms 11.1 - 'checkuser' Stored XSS","description":"SeaCMS 11.1 contains a stored cross-site scripting vulnerability in the checkuser parameter of the admin settings page. Attackers can inject malicious JavaScript payloads that will execute in users' browsers when the page is loaded.","severity":{"version":"4.0","score":5.1,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:L/VI:L/VA:N/SC:L/SI:L/SA:N","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-09","score":0.00278,"percentile":0.2041,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-79"],"published":"2026-01-25T13:04:16Z","modified":"2026-10-24T10:30:25Z","products":[{"vendor":"seacms","product":"seacms"}],"references":[{"url":"https://www.exploit-db.com/exploits/49251","tags":["exploit","Exploit","VDB Entry","evidence"]},{"url":"https://www.seacms.net/","tags":["product","Product","web"]},{"url":"https://www.vulncheck.com/advisories/seacms-checkuser-stored-xss","tags":["third-party-advisory","Third Party Advisory","advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2020-36932"},{"url":"https://www.seacms.net"},{"url":"https://github.com/advisories/GHSA-98f4-2wgg-m2jf"}],"sources":{"cve":[{"id":"CVE-2020-36932","title":"Seacms 11.1 - 'checkuser' Stored XSS","description":"SeaCMS 11.1 contains a stored cross-site scripting vulnerability in the checkuser parameter of the admin settings page. 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Attackers can inject malicious JavaScript payloads that will execute in users' browsers when the page is loaded.","status":"published","published":"2026-01-25T13:15:59.56Z","modified":"2026-06-17T03:16:32.49Z","cvss":[{"version":"4.0","score":5.1,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:L/VI:L/VA:N/SC:L/SI:L/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","level":"medium","assessor":"secondary"},{"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":"secondary"},{"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":"secondary"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T14:06:48.591569Z"}],"osv":[{"id":"CVE-2020-36932","description":"SeaCMS 11.1 contains a stored cross-site scripting vulnerability in the checkuser parameter of the admin settings page. 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