High

RSSHub SSRF vulnerability

  • Disclosed: 11.01.2023
  • Updated: 11.10.2026 10:22

Summary

RSSHub is vulnerable to Server-Side Request Forgery (SSRF) attacks. This vulnerability allows an attacker to send arbitrary HTTP requests from the server to other servers or resources on the network.

Description

An attacker can exploit this vulnerability by sending a request to the affected routes with a malicious URL. For example, if an attacker controls the ATTACKER.HOST domain, they can send a request to affected routes with the value set to ATTACKER.HOST%2F%23. The %2F and %23 characters are URL-encoded versions of the forward-slash (/) and pound (#) characters, respectively. In this context, an attacker could use those characters to append the base URL (i.e. https://${input}.defined.host) to be modified to https://ATTACKER.HOST/#.defined.host. This will cause the server to send a request to the attacker-controlled domain, allowing the attacker to potentially gain access to sensitive information or perform further attacks on the server.

Impact

An attacker could use this vulnerability to send requests to internal or any other servers or resources on the network, potentially gain access to sensitive information that would not normally be accessible and amplifying the impact of the attack.

Reference

Fixing PR: https://github.com/DIYgod/RSSHub/pull/11588

Affected software

Click a technology to see all vulnerabilities affecting it.

PlatformPackageVulnerable versionsFixed in
npm package rsshub < 1.0.0-master.a66cbcf 1.0.0-master.a66cbcf

References

CVSS score 8.8/10
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:L/A:L
Weakness (CWE)
CWE-918
Platform
npm
Package
rsshub
Disclosed
11.01.2023
Updated
11.10.2026 10:22

Sources and licenses

OSV / GitHub Advisory Database - GHSA-64wp-jh9p-5cg2 - CC BY 4.0

Vulnerability history: rsshub

All published vulnerabilities of this package (npm package), newest first. Shows whether this is a one-off slip or a package that needs watching.

Total entries
6
First → latest
10.2021 03.2024
Without a fix
2
Exploited in attacks
0

Severity breakdown

  • High 2
  • Medium 4

Disclosures per year

  1. 2021: 1
  2. 2022: 1
  3. 2023: 2
  4. 2024: 2
  5. 2025: 0
  6. 2026: 0
  1. Medium · 6.5 CVE-2024-27927 < 1.0.0-master.a429472 1.0.0-master.a429472
  2. Medium · 6.1 CVE-2024-27926 >= 1.0.0-master.cbbd829, < 1.0.0-master.d8ca915 1.0.0-master.d8ca915
  3. Medium · 6.1 CVE-2023-26491 < 1.0.0-master.c910c4d 1.0.0-master.c910c4d
  4. RSSHub SSRF vulnerability this entry
    High · 8.8 CVE-2023-22493 < 1.0.0-master.a66cbcf 1.0.0-master.a66cbcf
  5. Medium · 5.3 CVE-2022-31110 <= 1.0.0 no fix
  6. High · 8.6 CVE-2021-21278 <= 1.0.0 no fix

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