Vendor
PHP: actively exploited vulnerabilities
4 vulnerabilities in PHP products are listed in CISA’s catalog of actively exploited vulnerabilities, 2 of them used by ransomware. Latest addition on July 7, 2025: CVE-2016-10033 (PHPMailer).
- 4 exploited vulnerabilities in the catalog
- 0 added in the last 12 months
- 2 used by ransomware
- 3 products affected
Affected products
- PHP2
- FastCGI Process Manager (FPM)1
- PHPMailer1
All exploited vulnerabilities
CISA KEV catalog, newest first: each entry corresponds to observed exploitation.
2025 1 vulnerability
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CVE-2016-10033PHPMailer Command Injection Vulnerability
2024 1 vulnerability
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CVE-2024-4577Used by ransomwarePHP-CGI OS Command Injection Vulnerability
2022 2 vulnerabilities
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CVE-2019-11043Used by ransomwarePHP FastCGI Process Manager (FPM) Buffer Overflow Vulnerability
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CVE-2012-1823PHP-CGI Query String Parameter Vulnerability
What to do
If your estate includes any of these products, make sure the vendor’s patches are applied, starting with the most recent vulnerabilities and those used by ransomware, then look for signs of compromise: an exploited vulnerability has often been used before it was fixed.
Additions from all vendors are tracked on the Actively exploited vulnerabilities page, updated several times a day. Sources: CISA KEV catalog (US public domain) and CERT-FR.