{"id":"CVE-2020-26048","aliases":["EUVD-2020-18678","GHSA-vg5c-7m9h-9pr2"],"status":"published","title":"The file manager option in CuppaCMS before 2019-11-12 allows an authenticated attacker to upload...","description":"The file manager option in CuppaCMS before 2019-11-12 allows an authenticated attacker to upload a malicious file within an image extension and through a custom request using the rename function provided by the file manager is able to modify the image extension into PHP resulting in remote arbitrary code execution.","severity":{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-09","score":0.01863,"percentile":0.7942,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-434"],"published":"2020-10-05T14:27:01Z","modified":"2026-06-17T03:07:30Z","products":[{"vendor":"cuppacms","product":"cuppacms"}],"references":[{"url":"https://github.com/CuppaCMS/CuppaCMS/issues/7","tags":["x_refsource_MISC","x_transferred","Third Party Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2020-26048"},{"url":"https://github.com/advisories/GHSA-vg5c-7m9h-9pr2"}],"sources":{"cve":[{"id":"CVE-2020-26048","description":"The file manager option in CuppaCMS before 2019-11-12 allows an authenticated attacker to upload a malicious file within an image extension and through a custom request using the rename function provided by the file manager is able to modify the image extension into PHP resulting in remote arbitrary code execution.","status":"published","published":"2020-10-05T14:27:01Z","modified":"2024-08-04T15:49:06.753Z","updated_at":"2026-11-02T14:35:46.129376Z"}],"euvd":[{"id":"EUVD-2020-18678","description":"The file manager option in CuppaCMS before 2019-11-12 allows an authenticated attacker to upload a malicious file within an image extension and through a custom request using the rename function provided by the file manager is able to modify the image extension into PHP resulting in remote arbitrary code execution.","status":"published","published":"2020-10-05T14:27:01Z","modified":"2024-08-04T15:49:06Z","updated_at":"2026-11-03T03:07:16.308974Z"}],"ghsa":[{"id":"GHSA-vg5c-7m9h-9pr2","title":"The file manager option in CuppaCMS before 2019-11-12 allows an authenticated attacker to upload...","description":"The file manager option in CuppaCMS before 2019-11-12 allows an authenticated attacker to upload a malicious file within an image extension and through a custom request using the rename function provided by the file manager is able to modify the image extension into PHP resulting in remote arbitrary code execution.","status":"published","published":"2022-05-24T17:30:06Z","modified":"2023-01-29T05:04:17Z","updated_at":"2026-11-02T14:45:30.813688Z"}],"nvd":[{"id":"CVE-2020-26048","description":"The file manager option in CuppaCMS before 2019-11-12 allows an authenticated attacker to upload a malicious file within an image extension and through a custom request using the rename function provided by the file manager is able to modify the image extension into PHP resulting in remote arbitrary code execution.","status":"published","published":"2020-10-05T15:15:12.17Z","modified":"2026-06-17T03:07:30.943Z","cvss":[{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"primary"},{"version":"2.0","score":6.5,"vector":"AV:N/AC:L/Au:S/C:P/I:P/A:P","level":"medium","assessor":"primary"}],"cwes":["CWE-434"],"updated_at":"2026-11-02T14:06:17.70091Z"}]}}