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CVE-2023-26491— RSSHub is vulnerable to cross-site scripting (XSS) via unvalidated URL parameters

Quick assessment

Affected
DIYgod RSSHub
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.

RSSHub是由Node.js编写的RSS源生成器，在MIT许可证下发行，由DIYgod及其他GitHub用户维护。 RSSHub存在跨站脚本漏洞。攻击者利用该漏洞执行任意JavaScript代码。

CVSS 5.4 · Medium EPSS 0.43% · P36

Possible ATT&CK Techniques 1 AI

T1059 · Command and Scripting Interpreter
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I. Basic Information for CVE-2023-26491

Vulnerability Information
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Vulnerability Title
RSSHub is vulnerable to cross-site scripting (XSS) via unvalidated URL parameters
Source: CVE Program / CVE List V5
Vulnerability Description
RSSHub is an open source and extensible RSS feed generator. When the URL parameters contain certain special characters, it returns an error page that does not properly handle XSS vulnerabilities, allowing for the execution of arbitrary JavaScript code. Users who access the deliberately constructed URL are affected. This vulnerability was fixed in version c910c4d28717fb860fbe064736641f379fab2c91. Please upgrade to this or a later version, there are no known workarounds.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:L
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
Vulnerability Title
RSSHub 跨站脚本漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
RSSHub是由Node.js编写的RSS源生成器，在MIT许可证下发行，由DIYgod及其他GitHub用户维护。 RSSHub存在跨站脚本漏洞。攻击者利用该漏洞执行任意JavaScript代码。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
DIYgod RSSHub < 1.0.0-master.c910c4d -

II. Public POCs for CVE-2023-26491

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III. Intelligence Information for CVE-2023-26491

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Patches & Fixes for CVE-2023-26491 (1)

Vendor Advisories for CVE-2023-26491 (1)

IV. Related Vulnerabilities

Same product: RSSHub
Same vendor: DIYgod
Same weakness: CWE-79

V. Comments for CVE-2023-26491

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