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Vulnerability record · CVE-2023-6923 · published 29 February 2024

CVE-2023-6923: Matomo cross-site scripting vulnerability

Matomo · Matomo

The Matomo Analytics – Ethical Stats. Powerful Insights. plugin for WordPress is vulnerable to Reflected Cross-Site Scripting via the idsite parameter in all versions up to, and including, 4.15.3 due to insufficient input sanitization and output escaping. This makes it possible for unauthenticated attackers to inject arbitrary web scripts in pages that execute if they can successfully trick a user into performing an action such as clicking on a link.

6.1 CVSS 3.1 Medium EPSS 0.55% · top 56.5% CWE-79 · Cross-site scripting
6.1CVSS 3.1 base score
0.55%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
4References
17 Jun 2026Last modified by NVD

Description

The Matomo Analytics – Ethical Stats. Powerful Insights. plugin for WordPress is vulnerable to Reflected Cross-Site Scripting via the idsite parameter in all versions up to, and including, 4.15.3 due to insufficient input sanitization and output escaping. This makes it possible for unauthenticated attackers to inject arbitrary web scripts in pages that execute if they can successfully trick a user into performing an action such as clicking on a link.

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Affected products

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

References

LinkTags
https://plugins.trac.wordpress.org/changeset?sfp_email=&sfph_mail=&reponame=&old=3031495%40matomo&new=3031495%40matomo&s Patch
https://www.wordfence.com/threat-intel/vulnerabilities/id/2e2d54eb-c176-49c4-a4fc-833e17189cad?source=cve Third Party Advisory
https://plugins.trac.wordpress.org/changeset?sfp_email=&sfph_mail=&reponame=&old=3031495%40matomo&new=3031495%40matomo&s Patch
https://www.wordfence.com/threat-intel/vulnerabilities/id/2e2d54eb-c176-49c4-a4fc-833e17189cad?source=cve Third Party Advisory

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Related vulnerabilities

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

7.5CVE-2015-7816Matomo vulnerabilityThe DisplayTopKeywords function in plugins/Referrers/Controller.php in Piwik before 2.15.0 allows remote attackers to conduct PHP object injection at…EPSS 3.9%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-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-2023-6923), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.