---
id: CVE-2020-26678
title: vFairs 3.3 is affected by Remote Code Execution
summary: >-
  vFairs 3.3 is affected by Remote Code Execution. Any user logged in to a
  vFairs virtual conference or event can abuse the functionality to upload a
  profile picture in order to place a malicious PHP file on the server and gain
  code execut…
severity: high
cvss: 8.8
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H'
cwe:
  - CWE-434
vendor: vfairs
product: vfairs
affected:
  - vfairs = 3.3
published: '2021-05-26'
updated: '2026-07-05'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2020-26678'
references:
  - url: 'https://api.vfairs.com/v1/profiles'
    label: cve@mitre.org
  - url: >-
      https://www.huntress.com/blog/zero-day-vulnerabilities-in-popular-event-management-platforms-could-leave-msps-open-to-attack
    label: cve@mitre.org
  - url: 'http://vfairs.com'
    label: af854a3a-2127-422b-91ae-364da2661108
  - url: 'https://api.vfairs.com/v1/profiles'
    label: af854a3a-2127-422b-91ae-364da2661108
  - url: >-
      https://www.huntress.com/blog/zero-day-vulnerabilities-in-popular-event-management-platforms-could-leave-msps-open-to-attack
    label: af854a3a-2127-422b-91ae-364da2661108
tags:
  - nvd
epss: 0.01785
epssPercentile: 0.77372
ingestedAt: '2026-07-05T00:59:26.431Z'
---

## Overview

vFairs 3.3 is affected by Remote Code Execution. Any user logged in to a vFairs virtual conference or event can abuse the functionality to upload a profile picture in order to place a malicious PHP file on the server and gain code execution.

## Affected

- `vfairs = 3.3`

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.
