{"action":"Upgrade better-auth to 1.6.13 or later.","affected":[{"fixed":"1.6.13","introduced":"0"},{"fixed":"1.7.0-beta.4","introduced":"1.7.0-beta.0"}],"component":"better-auth","cve_ids":["CVE-2026-67333"],"ecosystem":"npm","epss":0.00263,"exploited":false,"fixed_versions":["1.6.13","1.7.0-beta.4"],"ghsa_id":"GHSA-86j7-9j95-vpqj","id":"tcs_01M5KFC019F8RA5KZG7ZXWNYHJ","modified_at":"2026-08-02T03:56:48.086614485Z","published_at":"2026-07-07T20:55:28Z","references":["https://osv.dev/vulnerability/GHSA-86j7-9j95-vpqj","https://github.com/better-auth/better-auth/security/advisories/GHSA-86j7-9j95-vpqj","https://github.com/better-auth/better-auth","https://github.com/better-auth/better-auth/releases/tag/v1.6.13","https://github.com/better-auth/better-auth/releases/tag/v1.7.0-beta.4"],"severity":{"label":"high","score":7.7},"sources":[{"source":"osv","source_id":"GHSA-86j7-9j95-vpqj","url":"https://osv.dev/vulnerability/GHSA-86j7-9j95-vpqj"}],"summary":"Better Auth has stored XSS in the auth-server origin via javascript: redirect_uri in oidc-provider and mcp"}