# CVE-2012-1823

> sapi/cgi/cgi_main.c in PHP before 5.3.12 and 5.4.x before 5.4.2, when configured as a CGI script (aka php-cgi), does not properly handle query strings that lack an = (equals sign) character, which allows remote attackers to execute arbitrary code by placing command-line options in the query string, related to lack of skipping a certain php_getopt for the 'd' case.

- **CVSS:** 9.8 (CRITICAL)
- **EPSS:** 94.4%
- **CISA KEV:** yes
- **CWE:** CWE-77

Canonical: https://intel.threadlinqs.com/cve/CVE-2012-1823
Full threat coverage + IOCs via the Threadlinqs MCP server (Purple tier): https://intel.threadlinqs.com/mcp
