{"id":"CVE-2023-3978","aliases":["GHSA-2wrh-6pvc-2jm9","GO-2023-1988"],"url":"https://o3.security/vulnerability/CVE-2023-3978","summary":"Improper rendering of text nodes in golang.org/x/net/html","details":"Text nodes not in the HTML namespace are incorrectly literally rendered, causing text which should be escaped to not be. This could lead to an XSS attack.","published":"2023-08-02T19:48:56.676Z","modified":"2026-07-24T18:29:57.105588992Z","cvss":{"score":6.1,"severity":"MEDIUM","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N"},"epss":null,"cisaKev":null,"exploitsKnown":0,"affectedPackages":[{"ecosystem":"Go","name":"golang.org/x/net","fixedVersion":"0.13.0"}],"fix":null,"references":[{"type":"WEB","url":"https://go.dev/cl/514896"},{"type":"WEB","url":"https://go.dev/issue/61615"},{"type":"WEB","url":"https://pkg.go.dev"},{"type":"WEB","url":"https://pkg.go.dev/vuln/GO-2023-1988"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/3xxx/CVE-2023-3978.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2023-3978"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-07-24T18:29:57.105588992Z"}}