{"id":"CVE-2021-43742","aliases":["EUVD-2021-30649","GHSA-gmjx-v99c-7jj2"],"status":"published","title":"CMSimple 5.4 is vulnerable to Cross Site Scripting (XSS) via the file upload feature.","description":"CMSimple 5.4 is vulnerable to Cross Site Scripting (XSS) via the file upload feature.","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":"2026-11-12","score":0.0057,"percentile":0.47703,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-79"],"published":"2022-04-13T12:19:20Z","modified":"2026-06-17T04:11:20Z","products":[{"vendor":"cmsimple","product":"cmsimple"}],"references":[{"url":"https://github.com/iiSiLvEr/CMSimple5.4-Vulnerabilities","tags":["x_refsource_MISC","x_transferred","Broken Link"]},{"url":"https://github.com/iiSiLvEr/CVEs/tree/main/CVE-2021-43742","tags":["x_refsource_MISC","x_transferred","Exploit","Third Party Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-43742"},{"url":"https://github.com/advisories/GHSA-gmjx-v99c-7jj2"}],"sources":{"cve":[{"id":"CVE-2021-43742","description":"CMSimple 5.4 is vulnerable to Cross Site Scripting (XSS) via the file upload feature.","status":"published","published":"2022-04-13T12:19:20Z","modified":"2024-08-04T04:03:08.662Z","updated_at":"2026-11-02T14:32:56.689433Z"}],"euvd":[{"id":"EUVD-2021-30649","description":"CMSimple 5.4 is vulnerable to Cross Site Scripting (XSS) via the file upload feature.","status":"published","published":"2022-04-13T12:19:20Z","modified":"2024-08-04T04:03:08Z","updated_at":"2026-11-03T03:24:13.193734Z"}],"ghsa":[{"id":"GHSA-gmjx-v99c-7jj2","title":"CMSimple 5.4 is vulnerable to Cross Site Scripting (XSS) via the file upload feature.","description":"CMSimple 5.4 is vulnerable to Cross Site Scripting (XSS) via the file upload feature.","status":"published","published":"2022-04-14T00:00:19Z","modified":"2023-01-27T05:01:39Z","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"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T14:41:56.335336Z"}],"nvd":[{"id":"CVE-2021-43742","description":"CMSimple 5.4 is vulnerable to Cross Site Scripting (XSS) via the file upload feature.","status":"published","published":"2022-04-13T13:15:07.66Z","modified":"2026-06-17T04:11:20.203Z","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":"2026-11-02T14:07:06.029737Z"}]}}