CVE-2012-1823
PHP-CGI Query String Parameter Vulnerability
9.8
CVSS
100.0%
EPSS (exploit prob.)
100.0%
EPSS percentile
Yes
Actively exploited
No
Ransomware use
2022-03-25
Added
→ 0.0 pts
30-day EPSS trend
Summary
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.
Affected software
Vendor: PHP · Product: PHP
Weakness types (CWE):
CWE-20
What to do
This vulnerability appears in CISA's Known Exploited Vulnerabilities catalog, meaning it is being exploited in the wild. Prioritize patching affected systems and verify exposure across your estate.
Related vulnerabilities in PHP
| CVE | Name | EPSS | Exploited |
|---|---|---|---|
| CVE-2019-11043 | PHP FastCGI Process Manager (FPM) Buffer Overflow Vulnerability | 99.8% | Yes |
| CVE-2016-10033 | PHPMailer Command Injection Vulnerability | 99.7% | Yes |
Is your domain exposed?
Run a free, instant security report for any domain — exposure score, email auth, TLS and breach metadata.
Get your free reportAll information is aggregated from public sources for awareness only and does not constitute an accusation or a security assessment. No personal data or credentials are published.