CVE-2012-1823
PHP-CGI Query String Parameter Vulnerability
CVSS
—
No CVSS
EPSS
100.0%
p100
KEV
YES
Mar 25, 2022
Exploit Today
80
0-100
Published: — · Last modified: —
100.0%EPSS · 30 days100.0%
2026-06-302026-07-16
Product
PHP / PHP
Vulnerability
PHP-CGI Query String Parameter Vulnerability
Added to KEV
Mar 25, 2022
Remediate by
Apr 15, 2022
Known ransomware use
No
Summary description
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.
Required action
Apply updates per vendor instructions.
Notes
https://nvd.nist.gov/vuln/detail/CVE-2012-1823
No related CVEs by CWE or product.