CVE-2021-20103

MEDIUM
6.1
CVSS Score
Published: June 29, 2021 at 03:30 PM UTC
Updated: June 17, 2026 at 03:33 AM UTC
1 product affected across 1 vendorMachform

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Severity
MEDIUM6.1
Exploit prediction
EPSS 0.7%

Description

Machform prior to version 16 is vulnerable to stored cross-site scripting due to insufficient sanitization of file attachments uploaded with forms through upload.php.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

v < 16
Affected range stops below 16, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

CVSS

Attack Vector
NETWORK
Complexity
LOW
Privileges
NONE
User Interaction
REQUIRED
Scope
CHANGED
Confidentiality
LOW
Integrity
LOW
Availability
NONE
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-79

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