{"id":"CVE-2021-38753","aliases":["EUVD-2021-25190","GHSA-63q8-3w8v-3263"],"status":"published","title":"An unrestricted file upload on Simple Image Gallery Web App can be exploited to upload a web...","description":"An unrestricted file upload on Simple Image Gallery Web App can be exploited to upload a web shell and executed to gain unauthorized access to the server hosting the web app.","severity":{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-10","score":0.0146,"percentile":0.73794,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-434"],"published":"2021-08-16T13:53:32Z","modified":"2026-06-17T04:02:42Z","products":[{"vendor":"simple_image_gallery_web_app_project","product":"simple_image_gallery_web_app"}],"references":[{"url":"https://github.com/dumpling-soup/Simple-Image-Gallery-Web-App/blob/main/README.md","tags":["x_refsource_MISC","x_transferred","Exploit","Third Party Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-38753"},{"url":"https://github.com/advisories/GHSA-63q8-3w8v-3263"}],"sources":{"cve":[{"id":"CVE-2021-38753","description":"An unrestricted file upload on Simple Image Gallery Web App can be exploited to upload a web shell and executed to gain unauthorized access to the server hosting the web app.","status":"published","published":"2021-08-16T13:53:32Z","modified":"2024-08-04T01:51:20.069Z","updated_at":"2026-11-02T14:33:07.697752Z"}],"euvd":[{"id":"EUVD-2021-25190","description":"An unrestricted file upload on Simple Image Gallery Web App can be exploited to upload a web shell and executed to gain unauthorized access to the server hosting the web app.","status":"published","published":"2021-08-16T13:53:32Z","modified":"2024-08-04T01:51:20Z","updated_at":"2026-11-03T03:24:24.305495Z"}],"ghsa":[{"id":"GHSA-63q8-3w8v-3263","title":"An unrestricted file upload on Simple Image Gallery Web App can be exploited to upload a web...","description":"An unrestricted file upload on Simple Image Gallery Web App can be exploited to upload a web shell and executed to gain unauthorized access to the server hosting the web app.","status":"published","published":"2022-05-24T19:11:16Z","modified":"2023-01-30T05:01:32Z","cwes":["CWE-434"],"updated_at":"2026-11-02T14:46:25.989719Z"}],"nvd":[{"id":"CVE-2021-38753","description":"An unrestricted file upload on Simple Image Gallery Web App can be exploited to upload a web shell and executed to gain unauthorized access to the server hosting the web app.","status":"published","published":"2021-08-16T14:15:07.177Z","modified":"2026-06-17T04:02:42.4Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"primary"},{"version":"2.0","score":7.5,"vector":"AV:N/AC:L/Au:N/C:P/I:P/A:P","level":"high","assessor":"primary"}],"cwes":["CWE-434"],"updated_at":"2026-11-02T14:06:56.943671Z"}]}}