VULNERABILITY INTELLIGENCE
CVE-2012-0451
CVSS score4.3 MEDIUM
EPSS probability2.44%
CISA KEVNot currently listed
Published2012-03-14
Last modified2026-06-16
CVSS vectorAV:N/AC:M/Au:N/C:N/I:P/A:N
Description
CRLF injection vulnerability in Mozilla Firefox 4.x through 10.0, Firefox ESR 10.x before 10.0.3, Thunderbird 5.0 through 10.0, Thunderbird ESR 10.x before 10.0.3, and SeaMonkey before 2.8 allows remote web servers to bypass intended Content Security Policy (CSP) restrictions and possibly conduct cross-site scripting (XSS) attacks via crafted HTTP headers.
Weakness classification
- CWE-94: Improper Control of Generation of Code ('Code Injection')