Risk Letters

Exploited vulnerability

CVE-2020-37284

TLP:CLEAR

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

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.

Facts

  • Vendor: midgetspy
  • Product: Sickbeard
  • EPSS (probability of exploitation within 30 days): 0.2 %
  • First known exploitation: 22 October 2026
  • First seen by Risk Letters: 22 October 2026

Members see which Nordic sectors the flaw hits, and what to do about it.

Get the full brief

Data: NVD (public domain), CISA KEV, FIRST EPSS, MITRE ATT&CK, AlienVault OTX. NVD