{"cve":"CVE-2012-2899","nvd":{"published":"2014-01-05T20:55:03.990","modified":"2026-06-16T23:42:18.717","status":"Modified","description":"Google Chrome before 21.0.1180.82 on iOS makes certain incorrect calls to WebView methods that trigger use of an applewebdata: URL, which allows remote attackers to bypass the Same Origin Policy and conduct Universal XSS (UXSS) attacks via vectors involving the document.write method.","cvss_v4":null,"cvss_v3":null,"cwes":["CWE-79"],"references":["http://googlechromereleases.blogspot.com/2012/09/chrome-for-ios-update_24.html","https://code.google.com/p/chromium/issues/detail?id=147625","http://googlechromereleases.blogspot.com/2012/09/chrome-for-ios-update_24.html","https://code.google.com/p/chromium/issues/detail?id=147625"],"products":["google:chrome"],"source":"nvd","synced_at":"2026-10-19T20:30:15.895642412+00:00"},"epss":{"cve":"CVE-2012-2899","score":0.00813,"percentile":0.57009,"date":"2026-10-31"},"kev":null,"osv":[],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}