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TI-2020-20051 Aliases CVE-2020-37284GHSA-hcqw-c4qc-rwqr

Reflected cross-site scripting in Sickbeard via testNaming

Priority LOW 23CWE-79Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
Active
Attack complexity
Low
Attack requirements
None
Impact type
Cross-site scripting
Confidentiality · integrity · availability
None · None · None
Fix status
No fix listed

Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-79.

Summary

Sickbeard through build-507 contains a reflected cross-site scripting flaw in the pattern parameter of /config/postProcessing/testNaming, where the handler returns input without escaping (CWE-79). An unauthenticated remote attacker can use a crafted GET request to run JavaScript in a victim's browser. The Shadowserver Foundation first observed exploitation on 2023-10-22.

Written with Claude Haiku 5.5 from the sources below · 2026-10-28

Description from the CNA

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.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00205 10th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
No
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
midgetspySickbeardup to build-507—No fix listedCNA
  • Sickbeard Vendormidgetspy Affected up to build-507 Fixed in — No fix listed CNA

Remediation

The sources list no fixed version for Sickbeard.

Written with Claude Haiku 5.5 from the sources below · 2026-10-28

Timeline

  1. 2026-10-22 Threatist record created from CVE-2020-37284
  2. 2026-10-22 Alias added: GHSA-hcqw-c4qc-rwqr
  3. 2026-10-28 CISA SSVC decision points changed

References

Other 1

  • TI-2020-19162 Sickbeard 0.1 - Remote Command Injection CVSS 4.0CRITICAL 9.3
  • TI-2020-19161 Sickbeard 0.1 - Cross-Site Request Forgery CVSS 4.0MEDIUM 5.1

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences