{"action":"Upgrade locize to 4.0.21 or later.","affected":[{"fixed":"4.0.21","introduced":"0"}],"component":"locize","cve_ids":["CVE-2026-41886"],"ecosystem":"npm","epss":0.00101,"exploited":false,"fixed_versions":["4.0.21"],"ghsa_id":"GHSA-w937-fg2h-xhq2","id":"tcs_01M5KGEJK2K4F8TZCA7ZD9YVTW","modified_at":"2026-05-13T13:54:34.252474Z","published_at":"2026-04-22T20:32:11Z","references":["https://osv.dev/vulnerability/GHSA-w937-fg2h-xhq2","https://github.com/locize/locize/security/advisories/GHSA-w937-fg2h-xhq2","https://nvd.nist.gov/vuln/detail/CVE-2026-41886","https://github.com/locize/locize/commit/d006b75fadb8e8ab77b023e462850fc6e9170735","https://developer.mozilla.org/en-US/docs/Web/API/Window/postMessage#security_concerns","https://github.com/locize/locize","https://github.com/locize/locize/releases/tag/v4.0.21"],"severity":{"label":"high","score":7.5},"sources":[{"source":"osv","source_id":"GHSA-w937-fg2h-xhq2","url":"https://osv.dev/vulnerability/GHSA-w937-fg2h-xhq2"}],"summary":"locize Client SDK: Cross-origin DOM XSS & Handler Hijack Through Missing e.origin Validation in InContext Editor"}