What is CVE-2020-37284?

CVE-2020-37284 is a medium-severity vulnerability in Midgetspy Sickbeard, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2026-10-22.

How severe is CVE-2020-37284?

Medium severity. CVSS v3 base score is 6.1 out of 10.

XSS in Midgetspy Sickbeard

CVE-2020-37284

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.

Vulnerability class: XSS (Cross-Site Scripting)

Published 2026-10-22 · last modified 2026-10-22.

CVSS v3 metric

CVSS v3 base score 6.1 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N.

EPSS exploit prediction

No EPSS score from FIRST.org yet. New CVEs usually get one within a few days; no score means no signal yet, not low risk. How EPSS works.

Affected products

Midgetspy Sickbeard

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

References

github.com/projectdiscovery/nuclei-templates/blob/main/http/vulnerabilities/oth… (technical-description)
www.vulncheck.com/advisories/sickbeard-build-507-reflected-xss-via-testnaming-p… (third-party-advisory)

Frequently asked questions

What is CVE-2020-37284?: CVE-2020-37284 is a medium-severity vulnerability in Midgetspy Sickbeard, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2026-10-22.
How severe is CVE-2020-37284?: Medium severity. CVSS v3 base score is 6.1 out of 10.