{"cve":"CVE-2021-21278","nvd":{"published":"2021-01-26T21:15:12.673","modified":"2026-06-17T03:35:10.850","status":"Modified","description":"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.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","score":9.8},"cwes":["CWE-74"],"references":["https://github.com/DIYgod/RSSHub/commit/7f1c43094e8a82e4d8f036ff7d42568fed00699d","https://github.com/DIYgod/RSSHub/security/advisories/GHSA-pgjj-866w-fc5c","https://www.npmjs.com/package/rsshub","https://github.com/DIYgod/RSSHub/commit/7f1c43094e8a82e4d8f036ff7d42568fed00699d","https://github.com/DIYgod/RSSHub/security/advisories/GHSA-pgjj-866w-fc5c"],"products":["rsshub:rsshub"],"source":"nvd","synced_at":"2026-10-19T21:14:10.479542811+00:00"},"epss":{"cve":"CVE-2021-21278","score":0.01591,"percentile":0.75666,"date":"2026-11-01"},"kev":null,"osv":[{"id":"GHSA-pgjj-866w-fc5c","url":"https://osv.dev/vulnerability/GHSA-pgjj-866w-fc5c","summary":"Risk of code injection","modified":"2026-09-13T11:56:31.857641533Z","packages":[{"ecosystem":"npm","name":"rsshub","purl":"pkg:npm/rsshub","ranges":["<=1.0.0"],"fixed":[]}]}],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}