{"id":"CVE-2021-3256","aliases":["EUVD-2021-26595","GHSA-vwrx-c7f2-w23m"],"status":"published","title":"KuaiFanCMS V5.x contains an arbitrary file read vulnerability in the html_url parameter of the...","description":"KuaiFanCMS V5.x contains an arbitrary file read vulnerability in the html_url parameter of the chakanhtml.module.php file.","severity":{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-08","score":0.0089,"percentile":0.59599,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-88"],"published":"2021-06-11T19:50:23Z","modified":"2026-06-17T04:04:51Z","products":[{"vendor":"kuaifan","product":"kuaifancms"}],"references":[{"url":"https://github.com/poropro/kuaifan/issues/3","tags":["x_refsource_MISC","x_transferred","Exploit","Issue Tracking","Third Party Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-3256"},{"url":"https://github.com/advisories/GHSA-vwrx-c7f2-w23m"}],"sources":{"cve":[{"id":"CVE-2021-3256","description":"KuaiFanCMS V5.x contains an arbitrary file read vulnerability in the html_url parameter of the chakanhtml.module.php file.","status":"published","published":"2021-06-11T19:50:23Z","modified":"2024-08-03T16:53:16.456Z","updated_at":"2026-11-02T14:33:03.671751Z"}],"euvd":[{"id":"EUVD-2021-26595","description":"KuaiFanCMS V5.x contains an arbitrary file read vulnerability in the html_url parameter of the chakanhtml.module.php file.","status":"published","published":"2021-06-11T19:50:23Z","modified":"2024-08-03T16:53:16Z","updated_at":"2026-11-03T03:25:13.531128Z"}],"ghsa":[{"id":"GHSA-vwrx-c7f2-w23m","title":"KuaiFanCMS V5.x contains an arbitrary file read vulnerability in the html_url parameter of the...","description":"KuaiFanCMS V5.x contains an arbitrary file read vulnerability in the html_url parameter of the chakanhtml.module.php file.","status":"published","published":"2022-05-24T19:04:57Z","modified":"2023-01-29T05:07:58Z","cwes":["CWE-88"],"updated_at":"2026-11-02T14:46:11.594724Z"}],"nvd":[{"id":"CVE-2021-3256","description":"KuaiFanCMS V5.x contains an arbitrary file read vulnerability in the html_url parameter of the chakanhtml.module.php file.","status":"published","published":"2021-06-11T20:15:08.637Z","modified":"2026-06-17T04:04:51.657Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N","level":"medium","assessor":"primary"},{"version":"2.0","score":4,"vector":"AV:N/AC:L/Au:S/C:P/I:N/A:N","level":"medium","assessor":"primary"}],"cwes":["CWE-88"],"updated_at":"2026-11-02T14:06:54.439974Z"}]}}