{"cve":"CVE-2023-23630","nvd":{"published":"2023-02-01T01:15:08.937","modified":"2026-06-17T05:37:37.550","status":"Modified","description":"Eta is an embedded JS templating engine that works inside Node, Deno, and the browser. XSS attack - anyone using the Express API is impacted. The problem has been resolved. Users should upgrade to version 2.0.0. As a workaround, don't pass user supplied things directly to `res.render`.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N","score":6.1},"cwes":["CWE-79"],"references":["https://github.com/eta-dev/eta/commit/5651392462ee0ff19d77c8481081a99e5b9138dd","https://github.com/eta-dev/eta/releases/tag/v2.0.0","https://github.com/eta-dev/eta/security/advisories/GHSA-xrh7-m5pp-39r6","https://github.com/eta-dev/eta/commit/5651392462ee0ff19d77c8481081a99e5b9138dd","https://github.com/eta-dev/eta/releases/tag/v2.0.0"],"products":["eta.js:eta"],"source":"nvd","synced_at":"2026-10-19T21:37:38.595364862+00:00"},"epss":{"cve":"CVE-2023-23630","score":0.00614,"percentile":0.49422,"date":"2026-11-01"},"kev":null,"osv":[{"id":"GHSA-xrh7-m5pp-39r6","url":"https://osv.dev/vulnerability/GHSA-xrh7-m5pp-39r6","summary":"XSS Attack with Express API","modified":"2023-11-08T04:11:41.918090Z","packages":[{"ecosystem":"npm","name":"eta","purl":"pkg:npm/eta","ranges":["<2.0.0"],"fixed":["2.0.0"]}]}],"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."]}