ACTIVELY EXPLOITED
CVE-2012-1823: PHP-CGI Query String Parameter Vulnerability
| Vendor | PHP |
|---|---|
| Product | PHP |
| Actively exploited | Yes |
| Added to CISA KEV | 25 Mar 2022 |
| CISA federal deadline | 15 Apr 2022 |
| Weakness (CWE) | CWE-20 |
Required action (CISA's text)
Apply updates per vendor instructions.
Description (NVD)
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.
SOURCES
Other PHP flaws
- CVE-2016-10033: PHPMailer Command Injection Vulnerability
- CVE-2019-11043: PHP FastCGI Process Manager (FPM) Buffer Overflow Vulnerability
Data from NVD, CISA KEV, FIRST EPSS and vendor advisories. Updated 10 Nov 2026.