CVE-2020-37284
Sickbeard build-507 Reflected XSS via testNaming pattern Parameter
- State
- Published
- Severity
- 5.1 Medium
- Published
- Oct 22, 2026
- Updated
- Oct 28, 2026
- Reserved
- Oct 14, 2026
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.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 4.0 | 5.1 Medium | 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 | VulnCheck |
| 3.1 | 6.1 Medium | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N | VulnCheck |
Weaknesses
- CWE-79 Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
Affected Products
| Product | Versions |
|---|---|
Sickbeardmidgetspy |
|
References
- Nuclei Templatetechnical-description
- VulnCheck Advisory: Sickbeard build-507 Reflected XSS via testNaming pattern Parameterthird-party-advisory
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