CVE-2023-26491 - CVE House

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Status published Medium CVE-2023-26491

RSSHub is vulnerable to cross-site scripting (XSS) via unvalidated URL parameters

5.4 CVSS

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.

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

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Credits & Attribution

No credits recorded in the NVD database.

References

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RSSHub is vulnerable to SSRF (Server-Side Request Forgery)

Denial of Service (DoS) vulnerability in RSSHub

Affected Vendor

DIYgod

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Affected Software

RSSHub

Vulnerable Versions:

< 1.0.0-master.c910c4d

Timeline

Official Publish: March 3rd, 2023

Last Modified: February 25th, 2025

Added to House: July 22nd, 2026

CVSS Vectors

V3: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:L

Weaknesses (CWE)

MITRE ATT&CK TTPs

T1189 Drive-by Compromise

T1059.007 JavaScript

T1539 Steal Web Session Cookie

T1213 Data from Information Repositories

T1567 Exfiltration Over Web Service

T1491.001 Defacement