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TI-2021-04378 Aliases CVE-2021-21278GHSA-pgjj-866w-fc5c

Risk of code injection in RSSHub

Priority MEDIUM 45CWE-74Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
Low
Impact type
—
Confidentiality · integrity · availability
High · High · High
Fix status
Fixed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA and GitHub.

Summary

RSSHub is an open source, easy to use, and extensible RSS feed generator. In RSSHub before version 7f1c430 (non-semantic versioning) there is a risk of code injection. Some routes use `eval` or `Function constructor`, which may be injected by the target site with unsafe code, causing server-side security issues The fix in version 7f1c430 is to temporarily remove the problematic route and added a `no-new-func` rule to eslint.

Why it matters now

EPSS 0.01604 75th percentileScored 2026-11-07
Fix Fixed RSSHub (DIYgod): 7f1c430

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
DIYgodRSSHubbefore 7f1c4307f1c430Patch availableCNA
—rsshub (npm)up to 1.0.0—No fix listedGHSA-pgjj-866w-fc5c
  • RSSHub VendorDIYgod Affected before 7f1c430 Fixed in 7f1c430 Patch available CNA
  • rsshub (npm) Vendor— Affected up to 1.0.0 Fixed in — No fix listed GHSA-pgjj-866w-fc5c

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:rsshub:rsshub:*:*:*:*:*:node.js:*:*before 2021-01-25VulnerableDIYgod
  • cpe:2.3:a:rsshub:rsshub:*:*:*:*:*:node.js:*:* Versions before 2021-01-25 Vulnerable ·DIYgod

Remediation

  • Fix · CNA RSSHub (DIYgod) Fixed in 7f1c430

Timeline

  1. 2026-10-02 Threatist record created from CVE-2021-21278
  2. 2026-10-03 Alias added: GHSA-pgjj-866w-fc5c

References

  • TI-2022-13154 Denial of Service (DoS) vulnerability in RSSHub CVSS 3.1HIGH 7.5
  • TI-2023-08742 RSSHub is vulnerable to SSRF (Server-Side Request Forgery) CVSS 3.1HIGH 8.8
  • TI-2024-18530 RSSHub vulnerable to SSRF in /mastodon, /zjoi, and /m4 CVSS 3.1MEDIUM 6.5
  • TI-2024-18529 RSSHub Cross-site Scripting vulnerability caused by internal media proxy CVSS 3.1MEDIUM 6.1
  • TI-2023-11638 RSSHub is vulnerable to cross-site scripting (XSS) via unvalidated URL parameters CVSS 3.1MEDIUM 6.1

Sources