CVE-2012-1823
PHP-CGI Query String Parameter Vulnerability
PHP · PHP
Vulnerability details
sapi/cgi/cgi_main.c in PHP, when configured as a CGI script, does not properly handle query strings, which allows remote attackers to execute arbitrary code.
Added to CISA KEV: 2022-03-25
Ransomware campaign use: Unknown
CISA due date: 2022-04-15
Defensive guidance from CISA
Apply updates per vendor instructions.
This is the source's required-action field, not an independently validated patch procedure. Refer to the vendor for exact affected versions and fixes.
Source catalog date: 2026-11-06T19:44:45.1797Z · Last retrieved: 2026-11-06 21:02:26 UTC