{"cve":"CVE-2010-1993","nvd":{"published":"2010-05-20T17:30:01.707","modified":"2026-06-16T23:19:43.907","status":"Modified","description":"Opera 9.52 does not properly handle an IFRAME element with a mailto: URL in its SRC attribute, which allows remote attackers to cause a denial of service (resource consumption) via an HTML document with many IFRAME elements.","cvss_v4":null,"cvss_v3":null,"cwes":["CWE-399"],"references":["http://lists.opensuse.org/opensuse-security-announce/2010-08/msg00001.html","http://websecurity.com.ua/4206/","http://www.securityfocus.com/archive/1/511327/100/0/threaded","https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A11952","http://lists.opensuse.org/opensuse-security-announce/2010-08/msg00001.html"],"products":["opera:opera_browser"],"source":"nvd","synced_at":"2026-10-19T19:56:26.512081652+00:00"},"epss":{"cve":"CVE-2010-1993","score":0.02279,"percentile":0.83131,"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."]}