VULNERABILITY INTELLIGENCE
CVE-2010-1210
CVSS score4.3 MEDIUM
EPSS probability1.56%
CISA KEVNot currently listed
Published2010-07-30
Last modified2026-06-16
CVSS vectorAV:N/AC:M/Au:N/C:N/I:P/A:N
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.
Weakness classification
- CWE-20: Improper Input Validation