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Vulnerability record · CVE-2015-7816 · published 16 November 2015

CVE-2015-7816: Matomo vulnerability

Matomo · Matomo

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.

7.5 CVSS 2.0 High EPSS 3.9% · top 10.0%
7.5CVSS 2.0 base score
3.9%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
10References, 6 tagged exploit
17 Jun 2026Last modified by NVD

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.

AV:N/AC:L/Au:N/C:P/I:P/A:P

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

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

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

7.5CVE-2015-7815Matomo path traversal vulnerabilityDirectory traversal vulnerability in core/ViewDataTable/Factory.php in Piwik before 2.15.0 allows remote attackers to include and execute arbitrary l…EPSS 3.0%7.5CVE-2009-4137Matomo improper input validation vulnerabilityThe loadContentFromCookie function in core/Cookie.php in Piwik before 0.5 does not validate strings obtained from cookies before calling the unserial…EPSS 17%7.5CVE-2009-4140Open Flash Chart unrestricted file upload enables remote code executionofc_upload_image.php in Open Flash Chart v2 Beta 1 through v2 Lug Wyrm Charmer, as bundled in Piwik 0.2.35 through 0.4.3 and the Woopra Analytics Plu…EPSS 76%analysed6.8CVE-2011-4941Matomo vulnerabilityUnspecified vulnerability in Piwik 1.2 through 1.4 allows remote attackers with the view permission to execute arbitrary code via unknown attack vect…EPSS 2.3%6.8CVE-2010-2786Matomo path traversal vulnerabilityDirectory traversal vulnerability in Piwik 0.6 through 0.6.3 allows remote attackers to include arbitrary local files and possibly have unspecified o…EPSS 2.7%6.4CVE-2011-0398Matomo permissions and access controls vulnerabilityThe Piwik_Common::getIP function in Piwik before 1.1 does not properly determine the client IP address, which allows remote attackers to bypass inten…EPSS 1.3%6.1CVE-2023-6923Matomo cross-site scripting vulnerabilityThe Matomo Analytics – Ethical Stats. Powerful Insights. plugin for WordPress is vulnerable to Reflected Cross-Site Scripting via the idsite paramete…EPSS 0.55%6.1CVE-2013-0193Matomo cross-site scripting vulnerabilityCross-site Scripting (XSS) in Piwik before 1.10.1 allows remote attackers to inject arbitrary web script or HTML via unspecified vectors. NOTE: This …EPSS 1.2%

Source: NIST National Vulnerability Database (record CVE-2015-7816), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.