{"cve":"CVE-2010-1210","nvd":{"published":"2010-07-30T20:30:01.473","modified":"2026-06-16T23:17:51.583","status":"Modified","description":"intl/uconv/util/nsUnicodeDecodeHelper.cpp in Mozilla Firefox before 3.6.7 and Thunderbird before 3.1.1 inserts a U+FFFD sequence into text in certain circumstances involving undefined positions, which might make it easier for remote attackers to conduct cross-site scripting (XSS) attacks via crafted 8-bit text.","cvss_v4":null,"cvss_v3":null,"cwes":["CWE-20"],"references":["http://www.mozilla.org/security/announce/2010/mfsa2010-44.html","https://bugzilla.mozilla.org/show_bug.cgi?id=564679","https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A11863","http://www.mozilla.org/security/announce/2010/mfsa2010-44.html","https://bugzilla.mozilla.org/show_bug.cgi?id=564679"],"products":["mozilla:firefox","mozilla:thunderbird"],"source":"nvd","synced_at":"2026-10-19T19:56:26.512081652+00:00"},"epss":{"cve":"CVE-2010-1210","score":0.01557,"percentile":0.75189,"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."]}