CVE-2021-47819
CRITICAL
2026-01-15
[email protected]
9.8
CVSS 3.1
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CVSS Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High
Lifecycle Timeline
3
Analysis Generated
Mar 12, 2026 - 21:54 vuln.today
PoC Detected
Jan 16, 2026 - 15:55 vuln.today
Public exploit code
CVE Published
Jan 15, 2026 - 16:16 nvd
CRITICAL 9.8
Tags
Description
ProjeQtOr Project Management 9.1.4 contains a file upload vulnerability that allows guest users to upload malicious PHP files with arbitrary code execution capabilities. Attackers can upload a PHP script through the profile attachment section and execute system commands by accessing the uploaded file with a specially crafted request parameter.
Analysis
ProjeQtOr Project Management 9.1.4 allows guest users to upload PHP files through profile attachments. Unauthenticated RCE via web shell. PoC available.
Technical Context
Profile attachments accept PHP files without authentication (CWE-434).
Affected Products
ProjeQtOr 9.1.4
Remediation
Restrict uploads to allowed file types. Require authentication for all uploads.
Priority Score
69
Low
Medium
High
Critical
KEV: 0
EPSS: +0.1
CVSS: +49
POC: +20
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External POC / Exploit Code
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Destination URL
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