{"schema_version":"1.9.0","id":"BIT-golang-2026-39823","published":"2026-05-11T05:44:33.709Z","modified":"2026-09-08T08:47:49.990175686Z","aliases":["CVE-2026-39823","GO-2026-4982"],"summary":"Bypass of meta content URL escaping causes XSS in html/template","details":"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.","affected":[{"package":{"name":"golang","ecosystem":"Bitnami","purl":"pkg:bitnami/golang"},"ranges":[{"type":"SEMVER","events":[{"introduced":"0"},{"fixed":"1.25.10"},{"introduced":"1.26.0-0"},{"fixed":"1.26.3"}]}],"database_specific":{"source":"https://github.com/bitnami/vulndb/tree/main/data/golang/BIT-golang-2026-39823.json"},"severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N"}]}],"references":[{"type":"FIX","url":"https://go.dev/cl/769920"},{"type":"REPORT","url":"https://go.dev/issue/78913"},{"type":"ARTICLE","url":"https://groups.google.com/g/golang-announce/c/qcCIEXso47M"},{"type":"WEB","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-39823"},{"type":"ADVISORY","url":"https://pkg.go.dev/vuln/GO-2026-4982"}],"database_specific":{"cpes":["cpe:2.3:a:golang:go:*:*:*:*:*:*:*:*"],"severity":"Medium"}}