{"id":"CVE-2023-23630","aliases":["GHSA-xrh7-m5pp-39r6"],"url":"https://o3.security/vulnerability/CVE-2023-23630","summary":"Cross-site (XSS) vulnerability with Express API in Eta","details":"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`. \n","published":"2023-02-01T00:38:29.697Z","modified":"2026-08-27T03:57:00.297749489Z","cvss":{"score":8.6,"severity":"HIGH","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:H"},"epss":{"score":0.00614,"percentile":0.46611,"asOf":"2026-08-23"},"cisaKev":null,"exploitsKnown":0,"affectedPackages":[{"ecosystem":"npm","name":"eta","fixedVersion":"2.0.0"}],"fix":{"url":"https://github.com/eta-dev/eta/commit/5651392462ee0ff19d77c8481081a99e5b9138dd","label":"eta-dev/eta@5651392"},"references":[{"type":"WEB","url":"https://github.com/eta-dev/eta/releases/tag/v2.0.0"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/23xxx/CVE-2023-23630.json"},{"type":"ADVISORY","url":"https://github.com/eta-dev/eta/security/advisories/GHSA-xrh7-m5pp-39r6"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2023-23630"},{"type":"FIX","url":"https://github.com/eta-dev/eta/commit/5651392462ee0ff19d77c8481081a99e5b9138dd"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-08-27T03:57:00.297749489Z"}}