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Vulnerability record · CVE-2011-0398 · published 10 January 2011

CVE-2011-0398: Matomo permissions and access controls vulnerability

Matomo · Matomo

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.

6.4 CVSS 2.0 Medium EPSS 1.3% · top 29.9% CWE-264 · Permissions and access controls
6.4CVSS 2.0 base score
1.3%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
10References
16 Jun 2026Last modified by NVD

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.

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

Affected products

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

References

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

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Related vulnerabilities

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

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Source: NIST National Vulnerability Database (record CVE-2011-0398), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.