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.
Published: 2026-10-22
Score: 5.1 Medium
EPSS: n/a
KEV: No
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History

Thu, 22 Oct 2026 11:00:00 +0000

Type Values Removed Values Added
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.
Title Sickbeard build-507 Reflected XSS via testNaming pattern Parameter
Weaknesses CWE-79
References
Metrics cvssV3_1

{'score': 6.1, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N'}

cvssV4_0

{'score': 5.1, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N'}


Subscriptions

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cve-icon MITRE

Status: PUBLISHED

Assigner: VulnCheck

Published:

Updated: 2026-10-22T10:57:28.307Z

Reserved: 2026-10-14T20:25:28.268Z

Link: CVE-2020-37284

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Received

Published: 2026-10-22T11:17:04.093

Modified: 2026-10-22T11:17:04.093

Link: CVE-2020-37284

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

No data.

Weaknesses