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CVE Record

CVE-2017-20175: DaSchTour matomo-mediawiki-extension Username Piwik.hooks.php cross site scripting

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.

LowCVSS 2.6Not KEV-listedUpdated
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Glexia's TakeAutomated analysislow

Security readout for executives and security teams

Plain-English summary

This is a low-severity cross-site scripting issue in the DaSchTour Matomo MediaWiki extension. It affects versions 2.4.0 through 2.4.2 and is tied to username handling. Business urgency is limited unless the extension is installed on an exposed MediaWiki site, but affected sites should upgrade to 2.4.3.

Executive priority

Treat as routine patch management unless the affected extension is present on a public MediaWiki instance. The low score and difficult exploitation reduce urgency, but public disclosure means vulnerable installations should not remain unpatched indefinitely.

Technical view

CVE-2017-20175 is CWE-79 XSS in Piwik.hooks.php within the Username Handler of matomo-mediawiki-extension. The CVSS 3.1 score is 2.6 with network attack vector, high complexity, low privileges required, user interaction required, unchanged scope, and low integrity impact only.

Likely exposure

Exposure is likely limited to MediaWiki deployments running DaSchTour matomo-mediawiki-extension versions 2.4.0, 2.4.1, or 2.4.2. The provided sources do not identify broader affected products or default deployment prevalence.

Exploitation context

The source bundle says the exploit has been publicly disclosed and may be used. It does not cite CISA KEV listing or evidence of active exploitation. Attack complexity is high, exploitability is described as difficult, and user interaction is required.

Researcher notes

Evidence names XSS in the Username Handler but does not provide full vulnerable code-path detail in the bundle. Do not assume active exploitation. Validate exposure by extension version and patch presence, then assess reachable MediaWiki workflows involving usernames.

Mitigation direction

  • Upgrade matomo-mediawiki-extension to version 2.4.3.
  • Apply vendor patch 681324e4f518a8af4bd1f93867074c728eb9923d if maintaining a patched branch.
  • Check vendor release notes and issue tracker for any later guidance.
  • Prioritize internet-facing MediaWiki deployments using the affected extension.

Validation and detection

  • Inventory MediaWiki installations for DaSchTour matomo-mediawiki-extension.
  • Confirm installed extension versions are not 2.4.0, 2.4.1, or 2.4.2.
  • Verify version 2.4.3 or the referenced patch is present.
  • Review security monitoring for suspicious scripted username-related page interactions.
Prepared
Confidence
medium
Sources
7

Public sources used

Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.

Potential ATT&CK relevance

Conservative CVE-to-ATT&CK context

These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.

ATT&CK lookup starting points

Use these exact CWE pages and searches to review the Glexia ATT&CK library from this CVE's weakness and description context.

cwe · medium confidence lookup

CWE-79: User-session and phishing behavior lookup

Client-side and session-facing weaknesses should be reviewed alongside initial-access and user-execution behaviors. Open the exact CWE lookup page first, then review the ATT&CK searches from that MITRE weakness context. This is a Glexia lookup hint, not an official ATT&CK mapping.

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cve · low confidence lookup

CVE-2017-20175 mapping review

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Vulnerability profileCVE Program record
Severity
Low
CVSS
2.6 (3.1)
Known Exploited
No
Published

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

Official CVE source material

CNA and ADP enrichment extracted from CVE v5

These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.

1CVSS vectors
0Timeline events
0ADP providers
6Source links

CVSS vector scores

1 official score

We collect every scored CVSS vector available in the official CNA and ADP containers. When more than one version is present, the table keeps the source vectors side by side instead of collapsing them into the highest score.

ScoreVersionSeverityVectorExploitImpactSource
2.6CVSS 3.1LowCVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:N/I:L/A:N1.21.4Primary CVE score

Vulnerability scoring details

Base CVSS 3.1 score

2.6Low
CVSS 3.1 vector shape for CVE-2017-20175Attack VectorAttack ComplexityPrivileges RequiredUser InteractionScopeConfidentiality ImpactIntegrity ImpactAvailability Impact

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

Attack Vector
NetworkAdjacentLocalPhysical
Attack Complexity
LowHigh
Privileges Required
NoneLowHigh
User Interaction
NoneRequired
Scope
ChangedUnchanged
Confidentiality Impact
HighLowNone
Integrity Impact
HighLowNone
Availability Impact
HighLowNone

Source materials

Affected products

Products and packages named in the record

VendorProductVersion / packageStatus
DaSchTourmatomo-mediawiki-extension2.4.0, 2.4.1, 2.4.2Listed
Weakness

CWE details

CWE-79

CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.