Vulnerability in Diygod Rsshub
CVE-2021-21278
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.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 8.6 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:N.
EPSS exploit prediction
EPSS: 0.016 (74.5th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 74th percentile — 74.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.016 · newest: 0.016 · change: 0.000
Affected products
- Diygod Rsshub — versions < 7f1c430
- Rsshub
Weakness classification (CWE)
References
- github.com/DIYgod/RSSHub/security/advisories/GHSA-pgjj-866w-fc5c (Third Party Advisory)
- github.com/DIYgod/RSSHub/commit/7f1c43094e8a82e4d8f036ff7d42568fed00699d (Patch, Third Party Advisory)
- www.npmjs.com/package/rsshub (Product, Third Party Advisory)
Frequently asked questions
- What is CVE-2021-21278?
- CVE-2021-21278 is a high-severity vulnerability in Diygod Rsshub, classified under Improper Neutralization of Special Elements in Output Used by a Downstream Component (Injection). CVSS score: 8.6/10. Published 2021-01-26.
- How severe is CVE-2021-21278?
- High severity. CVSS v3 base score is 8.6 out of 10.