{"id":"CVE-2022-4821","aliases":["EUVD-2022-52098","GHSA-gpvj-w4qp-hf4h"],"status":"published","title":"FlatPress XML File Handler/MD File admin.uploader.php onupload cross site scripting","description":"A vulnerability classified as problematic was found in FlatPress. This vulnerability affects the function onupload of the file admin/panels/uploader/admin.uploader.php of the component XML File Handler/MD File Handler. The manipulation leads to cross site scripting. The attack can be initiated remotely. The name of the patch is 3cc223dec5260e533a84b5cf5780d3a4fbf21241. It is recommended to apply a patch to fix this issue. The identifier of this vulnerability is VDB-217000.","severity":{"version":"3.1","score":2.4,"vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:U/C:N/I:L/A:N","level":"low","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-10","score":0.00556,"percentile":0.46674,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-79"],"published":"2022-12-28T20:45:48Z","modified":"2026-10-28T02:30:54Z","products":[{"vendor":"flatpress","product":"flatpress"}],"references":[{"url":"https://vuldb.com/?id.217000","tags":["vdb-entry","technical-description","x_transferred","Third Party Advisory","advisory"]},{"url":"https://vuldb.com/?ctiid.217000","tags":["signature","permissions-required","x_transferred","Third Party Advisory","report"]},{"url":"https://github.com/flatpressblog/flatpress/issues/178","tags":["issue-tracking","x_transferred","Issue Tracking","Patch","Third Party Advisory","report"]},{"url":"https://github.com/flatpressblog/flatpress/commit/3cc223dec5260e533a84b5cf5780d3a4fbf21241","tags":["patch","x_transferred","Patch","Third Party Advisory","fix"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2022-4821","tags":["advisory"]},{"url":"https://github.com/advisories/GHSA-gpvj-w4qp-hf4h"},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/4xxx/CVE-2022-4821.json","tags":["advisory"]}],"sources":{"cve":[{"id":"CVE-2022-4821","title":"FlatPress XML File Handler/MD File admin.uploader.php onupload cross site scripting","description":"A vulnerability classified as problematic was found in FlatPress. This vulnerability affects the function onupload of the file admin/panels/uploader/admin.uploader.php of the component XML File Handler/MD File Handler. The manipulation leads to cross site scripting. The attack can be initiated remotely. The name of the patch is 3cc223dec5260e533a84b5cf5780d3a4fbf21241. It is recommended to apply a patch to fix this issue. The identifier of this vulnerability is VDB-217000.","status":"published","published":"2022-12-28T20:45:48.557Z","modified":"2024-08-03T01:55:45.551Z","cvss":[{"version":"3.1","score":2.4,"vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:U/C:N/I:L/A:N","level":"low","assessor":"cna"},{"version":"3.0","score":2.4,"vector":"CVSS:3.0/AV:N/AC:L/PR:H/UI:R/S:U/C:N/I:L/A:N","level":"low","assessor":"cna"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T14:34:37.932195Z"}],"euvd":[{"id":"EUVD-2022-52098","description":"A vulnerability classified as problematic was found in FlatPress. This vulnerability affects the function onupload of the file admin/panels/uploader/admin.uploader.php of the component XML File Handler/MD File Handler. The manipulation leads to cross site scripting. The attack can be initiated remotely. The name of the patch is 3cc223dec5260e533a84b5cf5780d3a4fbf21241. It is recommended to apply a patch to fix this issue. The identifier of this vulnerability is VDB-217000.","status":"published","published":"2022-12-28T20:45:48Z","modified":"2024-08-03T01:55:45Z","cvss":[{"version":"3.1","score":2.4,"vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:U/C:N/I:L/A:N","level":"low"}],"updated_at":"2026-11-03T03:25:56.529973Z"}],"ghsa":[{"id":"GHSA-gpvj-w4qp-hf4h","title":"A vulnerability classified as problematic was found in FlatPress. This vulnerability affects the...","description":"A vulnerability classified as problematic was found in FlatPress. This vulnerability affects the function onupload of the file admin/panels/uploader/admin.uploader.php of the component XML File Handler/MD File Handler. The manipulation leads to cross site scripting. The attack can be initiated remotely. The name of the patch is 3cc223dec5260e533a84b5cf5780d3a4fbf21241. It is recommended to apply a patch to fix this issue. The identifier of this vulnerability is VDB-217000.","status":"published","published":"2022-12-28T21:30:20Z","modified":"2023-01-29T05:01:20Z","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":"2026-11-02T14:44:47.932364Z"}],"nvd":[{"id":"CVE-2022-4821","description":"A vulnerability classified as problematic was found in FlatPress. This vulnerability affects the function onupload of the file admin/panels/uploader/admin.uploader.php of the component XML File Handler/MD File Handler. The manipulation leads to cross site scripting. The attack can be initiated remotely. The name of the patch is 3cc223dec5260e533a84b5cf5780d3a4fbf21241. It is recommended to apply a patch to fix this issue. The identifier of this vulnerability is VDB-217000.","status":"published","published":"2022-12-28T21:15:10.84Z","modified":"2026-06-17T05:21:56.16Z","cvss":[{"version":"3.1","score":2.4,"vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:U/C:N/I:L/A:N","level":"low","assessor":"secondary"},{"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"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T14:07:34.388163Z"}],"osv":[{"id":"CVE-2022-4821","title":"FlatPress XML File Handler/MD File admin.uploader.php onupload cross site scripting","description":"A vulnerability classified as problematic was found in FlatPress. This vulnerability affects the function onupload of the file admin/panels/uploader/admin.uploader.php of the component XML File Handler/MD File Handler. The manipulation leads to cross site scripting. The attack can be initiated remotely. The name of the patch is 3cc223dec5260e533a84b5cf5780d3a4fbf21241. It is recommended to apply a patch to fix this issue. The identifier of this vulnerability is VDB-217000.","status":"published","published":"2022-12-28T20:45:48.557Z","modified":"2026-10-28T02:30:54.44588846Z","cvss":[{"version":"3.1","score":2.4,"vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:U/C:N/I:L/A:N","level":"low"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T15:44:27.776402Z"}]}}