CRLF injection vulnerability in PHP 4.2.1 through 4.2.3, when allow_url_fopen is enabled, allows remote attackers to modify HTTP headers for outgoing requests by causing CRLF sequences to be injected into arguments that are passed to the (1) fopen or (2) file functions.
AV:N/AC:L/Au:N/C:N/I:P/A:N
This vulnerability has a 16.74% probability of being exploited in the next 30 days, ranking higher than 97% of all scored CVEs.