---
id: CVE-2020-37284
title: Sickbeard build-507 Reflected XSS via testNaming pattern Parameter
summary: >-
  Sickbeard through build-507 contains a reflected cross-site scripting
  vulnerability that allows unauthenticated attackers to inject scripts through
  the pattern parameter of /config/postProcessing/testNaming. Attackers can
  craft GET reque…
severity: medium
cvss: 6.1
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N'
cvssSource: cna
cwe:
  - CWE-79
vendor: midgetspy
product: Sickbeard
affected:
  - Sickbeard <= build-507
published: '2026-10-22'
updated: '2026-10-22'
sourceUpdated: '2026-10-22T10:57:28.307Z'
source: CVEORG
sourceUrl: 'https://www.cve.org/CVERecord?id=CVE-2020-37284'
references:
  - url: >-
      https://github.com/projectdiscovery/nuclei-templates/blob/main/http/vulnerabilities/other/sick-beard-xss.yaml
    label: Nuclei Template
  - url: >-
      https://www.vulncheck.com/advisories/sickbeard-build-507-reflected-xss-via-testnaming-pattern-parameter
    label: >-
      VulnCheck Advisory: Sickbeard build-507 Reflected XSS via testNaming
      pattern Parameter
tags:
  - cve.org
ingestedAt: '2026-10-22T11:37:02.344Z'
---

## Overview

Sickbeard through build-507 contains a reflected cross-site scripting vulnerability that allows unauthenticated attackers to inject scripts through the pattern parameter of /config/postProcessing/testNaming. Attackers can craft GET requests with malicious SVG onload payloads that the testNaming handler returns unescaped, executing JavaScript in victims' browsers. Exploitation evidence was first observed by the Shadowserver Foundation on 2023-10-22.

## Affected

- `Sickbeard <= build-507`

## Remediation

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