CVE-2022-50973
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What it is
ReportedYonyou KSOA 9.0 contains an unauthenticated arbitrary file upload vulnerability in the com.sksoft.bill.ImageUpload servlet that allows unauthenticated attackers to upload arbitrary files by submitting a POST request with attacker-controlled filepath and filename parameters without any authentication, file type, extension, or content validation. Attackers can upload a JSP webshell by specifying a malicious filename and root filepath, with the uploaded file stored under the pictures directory and directly executed by the web server, resulting in unauthenticated remote code execution.… Source description excerpt; complete tracked detail loads below.
NVD published: Jul 2, 2026 · Source record updated: Aug 9, 2026 · Tracker snapshot: Aug 9, 2026
What is affected
ReportedYonyou Network Technology Co., Ltd. — KSOA. Product-level identification only; no affected-version conclusion is available from this field.
NVD published: Jul 2, 2026 · Source record updated: Aug 9, 2026 · Tracker snapshot: Aug 9, 2026
Urgency and basis
ReportedAct · 449.4
Tracker decision tier from the evidence detailed below · Source record updated: Aug 9, 2026 · Tracker snapshot: Aug 9, 2026
Exploitation evidence
Reportedkev-listed · VulnCheck KEV
VulnCheck KEV added: Jul 2, 2026 · Source record updated: Aug 9, 2026 · Tracker snapshot: Aug 9, 2026
What to do
ReportedApply remediations or mitigations per vendor instructions or discontinue use of the product if remediation or mitigations are unavailable.
Source remediation ↗Tracked source remediation field · Source record updated: Aug 9, 2026 · Tracker snapshot: Aug 9, 2026
Evidence detail
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