PHP — known exploited vulnerabilities
The CISA Known Exploited Vulnerabilities catalog (KEV) lists vulnerabilities that CISA has confirmed are being exploited in the wild; U.S. federal civilian agencies are required to remediate each entry by its due date. This page joins the KEV entries for PHP with NVD CVSS scores and CISA's ransomware-campaign flag. See our methodology or browse all CVEs.
Key findings
CISA's Known Exploited Vulnerabilities catalog lists 3 PHP vulnerabilities confirmed as exploited in the wild across 3 products; 1 of them (33%) is flagged as used in known ransomware campaigns. PHPMailer, FastCGI Process Manager (FPM) and PHP are tied as the most-affected products, with 1 entry each (33% of the total each). CISA added 1 entry in 2025, compared with 0 in 2024. Across the 3 entries with an NVD CVSS score (100% of the total), the average score is 9.4; 2 entries are rated critical by NVD. The most recent addition is CVE-2016-10033 (PHPMailer Command Injection Vulnerability), added on 2025-07-07.
Affected products
| Product | Entries | Share |
|---|---|---|
| PHPMailer | 1 | 33% |
| FastCGI Process Manager (FPM) | 1 | 33% |
| PHP | 1 | 33% |
Entries added per year
By date added to the KEV catalog
Exploited PHP vulnerabilities (3)
Newest first. CVSS scores from NVD where available.
| CVE | Product | Vulnerability | Date added | Ransomware | CVSS |
|---|---|---|---|---|---|
| CVE-2016-10033 | PHPMailer | PHPMailer Command Injection Vulnerability | 2025-07-07 | — | CRITICAL9.8 |
| CVE-2019-11043 | FastCGI Process Manager (FPM) | PHP FastCGI Process Manager (FPM) Buffer Overflow Vulnerability | 2022-03-25 | Known | HIGH8.7 |
| CVE-2012-1823 | PHP | PHP-CGI Query String Parameter Vulnerability | 2022-03-25 | — | CRITICAL9.8 |
Source: CISA Known Exploited Vulnerabilities catalog, joined with NIST NVD CVSS data. Vendor names are normalized across spellings. Compare all vendors.