{"id":"CVE-2021-41467","aliases":["EUVD-2021-2207","GHSA-gxmc-5wj3-jx64"],"status":"published","title":"Cross-site scripting in application/controllers/dropbox.php in JustWriting","description":"Cross-site scripting (XSS) vulnerability in application/controllers/dropbox.php in JustWriting 1.0.0 and below allow remote attackers to inject arbitrary web script or HTML via the challenge parameter.","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":"2026-11-11","score":0.03601,"percentile":0.89608,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-79"],"published":"2021-10-01T15:42:17Z","modified":"2026-10-20T10:54:58Z","exploits":[{"source":"nuclei","id":"CVE-2021-41467","title":"JustWriting - Cross-Site Scripting","type":"detection template","url":"https://github.com/projectdiscovery/nuclei-templates/blob/main/http/cves/2021/CVE-2021-41467.yaml"}],"affected":[{"source":"ghsa","ecosystem":"Packagist","package":"hjue/justwriting","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"last_affected":"1.0.0"}]}]},{"source":"osv","ecosystem":"Packagist","package":"hjue/justwriting","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"last_affected":"1.0.0"}]}],"versions":["1.0.0"]}],"products":[{"vendor":"justwriting_project","product":"justwriting"}],"references":[{"url":"https://github.com/hjue/JustWriting/issues/106","tags":["x_refsource_MISC","x_transferred","Issue Tracking","Third Party Advisory","report","web"]},{"url":"https://github.com/hjue/JustWriting/","tags":["x_refsource_MISC","x_transferred","Third Party Advisory","advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-41467","tags":["advisory"]},{"url":"https://github.com/advisories/GHSA-gxmc-5wj3-jx64"},{"url":"https://github.com/hjue/JustWriting","tags":["package"]}],"sources":{"cve":[{"id":"CVE-2021-41467","description":"Cross-site scripting (XSS) vulnerability in application/controllers/dropbox.php in JustWriting 1.0.0 and below allow remote attackers to inject arbitrary web script or HTML via the challenge parameter.","status":"published","published":"2021-10-01T15:42:17Z","modified":"2024-08-04T03:15:28.264Z","updated_at":"2026-11-02T14:32:59.430294Z"}],"euvd":[{"id":"EUVD-2021-2207","description":"Cross-site scripting (XSS) vulnerability in application/controllers/dropbox.php in JustWriting 1.0.0 and below allow remote attackers to inject arbitrary web script or HTML via the challenge parameter.","status":"published","published":"2021-10-01T15:42:17Z","modified":"2024-08-04T03:15:28Z","updated_at":"2026-11-03T03:24:17.663217Z"}],"ghsa":[{"id":"GHSA-gxmc-5wj3-jx64","title":"Cross-site scripting in application/controllers/dropbox.php in JustWriting","description":"Cross-site scripting (XSS) vulnerability in application/controllers/dropbox.php in JustWriting 1.0.0 and below allow remote attackers to inject arbitrary web script or HTML via the challenge parameter.","status":"published","published":"2021-10-04T20:13:25Z","modified":"2023-02-01T05:06:21Z","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"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T14:36:38.281533Z"}],"nvd":[{"id":"CVE-2021-41467","description":"Cross-site scripting (XSS) vulnerability in application/controllers/dropbox.php in JustWriting 1.0.0 and below allow remote attackers to inject arbitrary web script or HTML via the challenge 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