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CVE-2020-37284— Sickbeard build-507 Reflected XSS via testNaming pattern Parameter

Quick assessment

Affected
midgetspy Sickbeard
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Sickbeard 在 build-507 及更早版本中存在一个反射型跨站脚本（XSS）漏洞，允许未认证的攻击者通过 接口中的 参数注入脚本。攻击者可构造包含恶意 SVG 载荷的 GET 请求，而 处理器会未对返回内容进行转义，导致受害者的浏览器执行恶意 JavaScript 代码。Shadowserver 基金会于 2023 年 10 月 22 日首次观察到该漏洞的利用证据。

CVSS 6.1 · Medium
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I. Basic Information for CVE-2020-37284

Vulnerability Information
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Vulnerability Title
Sickbeard build-507 Reflected XSS via testNaming pattern Parameter
Source: CVE Program / CVE List V5
Vulnerability 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.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
在Web页面生成时对输入的转义处理不恰当(跨站脚本)
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
midgetspy Sickbeard 0 ~ build-507 -

II. Public POCs for CVE-2020-37284

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III. Intelligence Information for CVE-2020-37284

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Other References for CVE-2020-37284 (2)

IV. Related Vulnerabilities

Same product: Sickbeard
Same vendor: midgetspy
Same weakness: CWE-79

V. Comments for CVE-2020-37284

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