What is CVE-2017-20175?

CVE-2017-20175 is a low-severity vulnerability in Daschtour Matomo-Mediawiki-Extension, classified under Cross-site Scripting. CVSS score: 2.6/10. Published 2023-02-05.

How severe is CVE-2017-20175?

Low severity. CVSS v3 base score is 2.6 out of 10.

XSS in Daschtour Matomo-Mediawiki-Extension

CVE-2017-20175

A vulnerability classified as problematic has been found in DaSchTour matomo-mediawiki-extension up to 2.4.2 on MediaWiki. This affects an unknown part of the file Piwik.hooks.php of the component Username Handler. The manipulation leads to cross site scripting. It is possible to initiate the attack remotely. The complexity of an attack is rather high. The exploitability is told to be difficult. The exploit has been disclosed to the public and may be used. Upgrading to version 2.4.3 is able to address this issue. The patch is named 681324e4f518a8af4bd1f93867074c728eb9923d. It is recommended to upgrade the affected component. The associated identifier of this vulnerability is VDB-220203.

Vulnerability class: XSS (Cross-Site Scripting)

Published 2023-02-05 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 2.6 (Low). Vector: CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:N/I:L/A:N.

EPSS exploit prediction

EPSS: 0.006 (47.5th percentile), scored 2026-10-02.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 48th percentile — 47.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.006 · newest: 0.006 · change: 0.000

Affected products

Daschtour Matomo-Mediawiki-Extension — versions 2.4.0, 2.4.1, 2.4.2
MediaWiki Matomo

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

References

vuldb.com/ (technical-description, Third Party Advisory, vdb-entry)
vuldb.com/ (signature, Permissions Required, permissions-required, Third Party Advisory)
github.com/DaSchTour/matomo-mediawiki-extension/pull/17 (issue-tracking, Exploit, Patch, exploit)
github.com/DaSchTour/matomo-mediawiki-extension/commit/681324e4f518a8af4bd1f938… (Patch, patch)
github.com/DaSchTour/matomo-mediawiki-extension/releases/tag/v2.4.3 (Release Notes, patch)

Frequently asked questions

What is CVE-2017-20175?: CVE-2017-20175 is a low-severity vulnerability in Daschtour Matomo-Mediawiki-Extension, classified under Cross-site Scripting. CVSS score: 2.6/10. Published 2023-02-05.
How severe is CVE-2017-20175?: Low severity. CVSS v3 base score is 2.6 out of 10.