What’s Vulnerable › Vulnerabilities

CVE-2015-7816

• Severity: high (CVSS 7.5 v2.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 3.9% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2015-11-16 · updated 2026-06-17

Description

The DisplayTopKeywords function in plugins/Referrers/Controller.php in Piwik before 2.15.0 allows remote attackers to conduct PHP object injection attacks, conduct Server-Side Request Forgery (SSRF) attacks, and execute arbitrary PHP code via a crafted HTTP header.

Affected products

• matomoteam Matomo Analytics – Powerful, Privacy-First Insights for WordPress: through 2.14.3

References

• http://karmainsecurity.com/KIS-2015-10
• http://packetstormsecurity.com/files/134220/Piwik-2.14.3-PHP-Object-Injection.html
• http://seclists.org/fulldisclosure/2015/Nov/15
• http://www.securityfocus.com/archive/1/536839/100/0/threaded
• https://piwik.org/changelog/piwik-2-15-0/
• http://karmainsecurity.com/KIS-2015-10
• http://packetstormsecurity.com/files/134220/Piwik-2.14.3-PHP-Object-Injection.html
• http://seclists.org/fulldisclosure/2015/Nov/15
• http://www.securityfocus.com/archive/1/536839/100/0/threaded
• https://piwik.org/changelog/piwik-2-15-0/

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