VULNERABILITY INTELLIGENCE
CVE-2007-1718
CVSS score7.8 HIGH
EPSS probability6.69%
CISA KEVNot currently listed
Published2007-03-28
Last modified2026-06-16
CVSS vectorAV:N/AC:L/Au:N/C:N/I:C/A:N
Description
CRLF injection vulnerability in the mail function in PHP 4.0.0 through 4.4.6 and 5.0.0 through 5.2.1 allows remote attackers to inject arbitrary e-mail headers and possibly conduct spam attacks via a control character immediately following folding of the (1) Subject or (2) To parameter, as demonstrated by a parameter containing a "\r\n\t\n" sequence, related to an increment bug in the SKIP_LONG_HEADER_SEP macro.