CVE-2011-0398

Severity: medium (CVSS 6.4 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 1.3% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2011-01-10 · updated 2026-06-16
Weakness: CWE-264

Description

The Piwik_Common::getIP function in Piwik before 1.1 does not properly determine the client IP address, which allows remote attackers to bypass intended geolocation and logging functionality via (1) use of a private (aka RFC 1918) address behind a proxy server or (2) spoofing of the X-Forwarded-For HTTP header.

Affected products

matomoteam Matomo Analytics – Powerful, Privacy-First Insights for WordPress: through 1.0; 0.1, 0.1.1, 0.1.2, 0.1.3, 0.1.4, 0.1.5 (+60)

References

http://dev.piwik.org/trac/ticket/567
http://osvdb.org/70384
http://piwik.org/blog/2011/01/piwik-1-1-2/
http://www.securityfocus.com/bid/45787
https://exchange.xforce.ibmcloud.com/vulnerabilities/64641
http://dev.piwik.org/trac/ticket/567
http://osvdb.org/70384
http://piwik.org/blog/2011/01/piwik-1-1-2/
http://www.securityfocus.com/bid/45787
https://exchange.xforce.ibmcloud.com/vulnerabilities/64641

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