{"cve":"CVE-2010-1236","nvd":{"published":"2010-04-01T22:30:00.750","modified":"2026-06-16T23:17:55.660","status":"Modified","description":"The protocolIs function in platform/KURLGoogle.cpp in WebCore in WebKit before r55822, as used in Google Chrome before 4.1.249.1036 and Flock Browser 3.x before 3.0.0.4112, does not properly handle whitespace at the beginning of a URL, which allows remote attackers to conduct cross-site scripting (XSS) attacks via a crafted javascript: URL, as demonstrated by a \\x00javascript:alert sequence.","cvss_v4":null,"cvss_v3":null,"cwes":["CWE-79"],"references":["http://code.google.com/p/chromium/issues/detail?id=37383","http://codereview.chromium.org/858001","http://flock.com/security/","http://googlechromereleases.blogspot.com/2010/03/stable-channel-update.html","http://lists.opensuse.org/opensuse-security-announce/2011-01/msg00006.html"],"products":["flock:flock","google:chrome"],"source":"nvd","synced_at":"2026-10-19T19:55:32.599380760+00:00"},"epss":{"cve":"CVE-2010-1236","score":0.01365,"percentile":0.71815,"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."]}