{"id":"CVE-2023-4409","url":"https://www.cyber-defence.io/tools/cve/CVE-2023-4409","generatedAt":"2026-10-27T23:56:10.251Z","title":"A vulnerability, which was classified as critical, has been found in NBS&HappySoftWeChat 1.1.6.","description":"A vulnerability, which was classified as critical, has been found in NBS&HappySoftWeChat 1.1.6. Affected by this issue is some unknown functionality. The manipulation leads to unrestricted upload. The attack may be launched remotely. The exploit has been disclosed to the public and may be used. The identifier of this vulnerability is VDB-237512.","published":"2023-08-18T13:15:10.000Z","lastModified":"2026-06-17T06:37:46.000Z","status":"Modified","sourceIdentifier":"cna@vuldb.com","cvss":{"version":"3.1","score":8.8,"severity":"HIGH","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H"},"cwe":["CWE-434"],"affected":["happysoft/nbs\\&happysoftwechat"],"epss":{"score":0.00883,"percentile":0.58916,"date":"2026-10-26","history":[]},"kev":{"listed":false},"exploits":{"count":0,"verified":false,"firstPublished":null,"source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[]},"verdict":{"level":"high","text":"High impact if exploited, but EPSS currently rates exploitation as unlikely (0.88%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit."},"changes":[],"references":[{"url":"https://github.com/ApricityXX/cve/blob/main/upload/upload.md","tags":["Exploit","Third Party Advisory"],"source":"cna@vuldb.com"},{"url":"https://vuldb.com/?ctiid.237512","tags":["Permissions Required","Third Party Advisory"],"source":"cna@vuldb.com"},{"url":"https://vuldb.com/?id.237512","tags":["Permissions Required","Third Party Advisory"],"source":"cna@vuldb.com"},{"url":"https://github.com/ApricityXX/cve/blob/main/upload/upload.md","tags":["Exploit","Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://vuldb.com/?ctiid.237512","tags":["Permissions Required","Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://vuldb.com/?id.237512","tags":["Permissions Required","Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2023-4409","epss":"https://www.first.org/epss/","kev":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","exploitdb":"https://www.exploit-db.com/"},"licence":"CC BY 4.0 — link back to the CVE Explorer if you publish the results; upstream data remains subject to its own terms."}