CVE-2020-37284
Deferred Deferred - Pending Action

Reflected XSS in Sickbeard via pattern parameter

Vulnerability report for CVE-2020-37284, including description, CVSS score, EPSS score, affected products, exploitability, helpful resources, and attack-flow context.

Publication date: 2026-10-22

Last updated on: 2026-10-22

Assigner: VulnCheck

Description

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.

CVSS Scores

EPSS Scores

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Meta Information

Published
2026-10-22
Last Modified
2026-10-22
Generated
2026-10-23
EPSS Evaluated
N/A
NVD

Affected Vendors & Products

Showing 1 associated CPE
Vendor Product Version / Range
midgetspy Sickbeard 0

Helpful Resources

Exploitability

CWE
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KEV
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CWE ID Description
CWE-79 The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users.

Attack-Flow Graph

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EPSS Chart