CVE-2026-73996: CWE-434 Unrestricted Upload of File with Dangerous Type in masteriyo Masteriyo - LMS
Unauthenticated Arbitrary File Upload in Masteriyo - LMS <= 2.3.2 versions.
AI Analysis
Technical Summary
This vulnerability (CWE-434) in Masteriyo - LMS permits unauthenticated users to upload arbitrary files without proper restrictions on file types in versions up to 2.3.2. The flaw enables attackers to potentially execute malicious code or disrupt system operations. The CVSS 3.1 base score is 9.8, reflecting network attack vector, no required privileges or user interaction, and high impact on confidentiality, integrity, and availability. No official patch or remediation guidance is currently provided by the vendor, and no known exploits are reported in the wild as of the publication date.
Potential Impact
Successful exploitation allows unauthenticated attackers to upload and execute arbitrary files, potentially leading to complete system compromise including data theft, data manipulation, and denial of service. The vulnerability affects confidentiality, integrity, and availability at a critical level.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until an official fix is available, restrict public access to file upload functionality and implement additional file type validation and upload restrictions as temporary mitigations.
CVE-2026-73996: CWE-434 Unrestricted Upload of File with Dangerous Type in masteriyo Masteriyo - LMS
Description
Unauthenticated Arbitrary File Upload in Masteriyo - LMS <= 2.3.2 versions.
CVSS v3.1
Score 9.8critical
Affected software
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability (CWE-434) in Masteriyo - LMS permits unauthenticated users to upload arbitrary files without proper restrictions on file types in versions up to 2.3.2. The flaw enables attackers to potentially execute malicious code or disrupt system operations. The CVSS 3.1 base score is 9.8, reflecting network attack vector, no required privileges or user interaction, and high impact on confidentiality, integrity, and availability. No official patch or remediation guidance is currently provided by the vendor, and no known exploits are reported in the wild as of the publication date.
Potential Impact
Successful exploitation allows unauthenticated attackers to upload and execute arbitrary files, potentially leading to complete system compromise including data theft, data manipulation, and denial of service. The vulnerability affects confidentiality, integrity, and availability at a critical level.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until an official fix is available, restrict public access to file upload functionality and implement additional file type validation and upload restrictions as temporary mitigations.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- Patchstack
- Date Reserved
- 2026-08-14T10:15:59.205Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Remediation Level
- null
Threat ID: 6a846a52c6e8be033250a74b
Added to database: 08/18/2026, 14:21:06 UTC
Last enriched: 08/18/2026, 14:34:54 UTC
Last updated: 08/19/2026, 01:13:53 UTC
Views: 7
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