{"id":"CVE-2018-14940","aliases":["EUVD-2018-6822","GHSA-j479-rcfp-64jg"],"status":"published","title":"PHPCMS 9 allows remote attackers to cause a denial of service (resource consumption) via large...","description":"PHPCMS 9 allows remote attackers to cause a denial of service (resource consumption) via large font_size, height, and width parameters in an api.php?op=checkcode request.","severity":{"version":"3.0","score":7.5,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-08","score":0.01303,"percentile":0.70676,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-400"],"published":"2018-08-05T18:00:00Z","modified":"2026-06-17T01:41:55Z","products":[{"vendor":"phpcms","product":"phpcms"}],"references":[{"url":"https://github.com/m0us3Sun/PHPCMS-v9/issues/1","tags":["x_refsource_MISC","x_transferred","Exploit","Third Party Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2018-14940"},{"url":"https://github.com/advisories/GHSA-j479-rcfp-64jg"}],"sources":{"cve":[{"id":"CVE-2018-14940","description":"PHPCMS 9 allows remote attackers to cause a denial of service (resource consumption) via large font_size, height, and width parameters in an api.php?op=checkcode request.","status":"published","published":"2018-08-05T18:00:00Z","modified":"2024-08-05T09:46:24.609Z","updated_at":"2026-11-02T14:35:00.589142Z"}],"euvd":[{"id":"EUVD-2018-6822","description":"PHPCMS 9 allows remote attackers to cause a denial of service (resource consumption) via large font_size, height, and width parameters in an api.php?op=checkcode request.","status":"published","published":"2018-08-05T18:00:00Z","modified":"2024-08-05T09:46:24Z","updated_at":"2026-11-03T02:39:45.27774Z"}],"ghsa":[{"id":"GHSA-j479-rcfp-64jg","title":"PHPCMS 9 allows remote attackers to cause a denial of service (resource consumption) via large...","description":"PHPCMS 9 allows remote attackers to cause a denial of service (resource consumption) via large font_size, height, and width parameters in an api.php?op=checkcode request.","status":"published","published":"2022-05-13T01:50:03Z","modified":"2023-02-02T05:01:58Z","cvss":[{"version":"3.0","score":7.5,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high"}],"cwes":["CWE-400"],"updated_at":"2026-11-02T14:51:19.116576Z"}],"nvd":[{"id":"CVE-2018-14940","description":"PHPCMS 9 allows remote attackers to cause a denial of service (resource consumption) via large font_size, height, and width parameters in an api.php?op=checkcode request.","status":"published","published":"2018-08-05T18:29:00.27Z","modified":"2026-06-17T01:41:55.617Z","cvss":[{"version":"3.0","score":7.5,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high","assessor":"primary"},{"version":"2.0","score":5,"vector":"AV:N/AC:L/Au:N/C:N/I:N/A:P","level":"medium","assessor":"primary"}],"cwes":["CWE-400"],"updated_at":"2026-11-02T14:04:35.310988Z"}]}}