{"id":"CVE-2026-86550","aliases":["EUVD-2026-72670","GHSA-5xg9-xgmv-w59x"],"status":"published","title":"UXSS vulnerability in ZTE browser products","description":"NuBrowser lacks protocol whitelist validation for the S.browser_fallback_url field of intent://, allowing attackers to inject javascript: URLs via 302 redirects. This results in a universal cross‑site scripting (UXSS) vulnerability that enables script execution within the origin of arbitrary websites.","severity":{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-12","score":0.00461,"percentile":0.40434,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-79"],"published":"2026-09-08T08:14:25Z","modified":"2026-09-09T15:52:04Z","products":[{"vendor":"zte","product":"nebulaos"}],"references":[{"url":"https://support.zte.com.cn/zte-iccp-isupport-webui/bulletin/detail/874505866159006721"},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-86550"},{"url":"https://github.com/advisories/GHSA-5xg9-xgmv-w59x"}],"sources":{"cve":[{"id":"CVE-2026-86550","title":"UXSS vulnerability in ZTE browser products","description":"NuBrowser lacks protocol whitelist validation for the S.browser_fallback_url field of intent://, allowing attackers to inject javascript: URLs via 302 redirects. This results in a universal cross‑site scripting (UXSS) vulnerability that enables script execution within the origin of arbitrary websites.","status":"published","published":"2026-09-08T08:14:25.638Z","modified":"2026-09-08T12:24:02.546Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N","level":"medium","assessor":"cna"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T13:49:42.666099Z"}],"euvd":[{"id":"EUVD-2026-72670","description":"NuBrowser lacks protocol whitelist validation for the S.browser_fallback_url field of intent://, allowing attackers to inject javascript: URLs via 302 redirects. This results in a universal cross‑site scripting (UXSS) vulnerability that enables script execution within the origin of arbitrary websites.","status":"published","published":"2026-09-08T08:14:25Z","modified":"2026-09-08T12:24:02Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N","level":"medium"}],"updated_at":"2026-11-02T17:28:29.861344Z"}],"ghsa":[{"id":"GHSA-5xg9-xgmv-w59x","title":"NuBrowser lacks protocol whitelist validation for the S.browser_fallback_url field of intent://,...","description":"NuBrowser lacks protocol whitelist validation for the S.browser_fallback_url field of intent://, allowing attackers to inject javascript: URLs via 302 redirects. This results in a universal cross‑site scripting (UXSS) vulnerability that enables script execution within the origin of arbitrary websites.","status":"published","published":"2026-09-08T09:35:39Z","modified":"2026-09-08T09:35:45Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N","level":"medium"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T15:11:27.823827Z"}],"nvd":[{"id":"CVE-2026-86550","description":"NuBrowser lacks protocol whitelist validation for the S.browser_fallback_url field of intent://, allowing attackers to inject javascript: URLs via 302 redirects. This results in a universal cross‑site scripting (UXSS) vulnerability that enables script execution within the origin of arbitrary websites.","status":"published","published":"2026-09-08T09:18:21.747Z","modified":"2026-09-09T15:52:04.827Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N","level":"medium","assessor":"secondary"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T14:12:44.436435Z"}]}}