{"id":"GO-2026-4982","revision":"cda7725e12db4449851c0936e7954813","records":[{"revision":"cda7725e12db4449851c0936e7954813","observedAt":"2026-10-24T13:19:41.952+00:00","statement":{"source":"osv","id":"GO-2026-4982","aliases":["BIT-golang-2026-39823","CVE-2026-39823"],"title":"Bypass of meta content URL escaping causes XSS in html/template","description":"CVE-2026-27142 fixed a vulnerability in which URLs were not correctly escaped inside of a <meta> tag's <content> attribute. If the URL content were to insert ASCII whitespaces around the '=' rune inside of the <content> attribute, the escaper would fail to similarly escape it, leading to XSS.","state":0,"publishedAt":"2026-05-07T19:21:40+00:00","modifiedAt":"2026-08-31T10:25:58.4567817+00:00","affected":[{"ecosystem":"Go","name":"stdlib","ranges":[{"type":"SEMVER","events":[{"kind":"introduced","version":"0"},{"kind":"fixed","version":"1.25.10"},{"kind":"introduced","version":"1.26.0-0"},{"kind":"fixed","version":"1.26.3"}]}],"versions":[],"rawVersionEvidence":null}],"metrics":[],"references":["https://go.dev/issue/78913","https://go.dev/cl/769920","https://groups.google.com/g/golang-announce/c/qcCIEXso47M"],"sourceUrl":"https://osv.dev/vulnerability/GO-2026-4982","license":"OSV · upstream source license applies","key":"osv:GO-2026-4982","identifiers":["GO-2026-4982","BIT-golang-2026-39823","CVE-2026-39823"]},"retained":false,"historicalAffected":[]}],"coverage":[]}