---
id: CVE-2020-26677
title: >-
  Any user logged in to a vFairs 3.3 virtual conference or event can perform SQL
  injection with a malicious query to the API.
summary: >-
  Any user logged in to a vFairs 3.3 virtual conference or event can perform SQL
  injection with a malicious query to the API.
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-89
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-2020-26677'
references:
  - url: 'https://api.vfairs.com/v1/users/'
    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/users/'
    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: 0.00882
epssPercentile: 0.57371
ingestedAt: '2026-07-05T00:59:26.428Z'
---

## Overview

Any user logged in to a vFairs 3.3 virtual conference or event can perform SQL injection with a malicious query to the API.

## Affected

- `vfairs = 3.3`

## Remediation

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