From 730f99d70f41c86fae783f96c825f1977779a23f Mon Sep 17 00:00:00 2001
From: Roberto Nunes <46332131+Akokonunes@users.noreply.github.com>
Date: Fri, 3 Apr 2026 11:45:16 +0900
Subject: [PATCH 1/2] Create piwik-unauthenticated-access.yaml

---
 .../piwik/piwik-unauthenticated-access.yaml   | 54 +++++++++++++++++++
 1 file changed, 54 insertions(+)
 create mode 100644 http/misconfiguration/piwik/piwik-unauthenticated-access.yaml

diff --git a/http/misconfiguration/piwik/piwik-unauthenticated-access.yaml b/http/misconfiguration/piwik/piwik-unauthenticated-access.yaml
new file mode 100644
index 000000000000..f13402fd799f
--- /dev/null
+++ b/http/misconfiguration/piwik/piwik-unauthenticated-access.yaml
@@ -0,0 +1,54 @@
+id: piwik-unauthenticated-access
+
+info:
+  name: Piwik/Matomo - Unauthenticated Access
+  author: 0x_Akoko
+  severity: high
+  description: |
+    Detected Piwik/Matomo instances exposing analytics data without authentication. When anonymous access was enabled, the API returned visitor statistics, page views, and other sensitive analytics data using the anonymous token.
+  reference:
+    - https://developer.matomo.org/api-reference/reporting-api
+    - https://matomo.org/faq/general/faq_152/
+  metadata:
+    verified: true
+    max-request: 5
+    vendor: matomo
+    product: matomo
+    shodan-query:
+      - http.title:"Piwik"
+      - http.title:"Matomo"
+    fofa-query:
+      - title="Piwik"
+      - title="Matomo"
+  tags: piwik,matomo,unauth,exposure,misconfig,analytics
+
+http:
+  - method: GET
+    path:
+      - "{{BaseURL}}/index.php?module=API&method=VisitsSummary.get&idSite=1&period=day&date=today&format=json&token_auth=anonymous"
+      - "{{BaseURL}}/matomo/index.php?module=API&method=VisitsSummary.get&idSite=1&period=day&date=today&format=json&token_auth=anonymous"
+      - "{{BaseURL}}/piwik/index.php?module=API&method=VisitsSummary.get&idSite=1&period=day&date=today&format=json&token_auth=anonymous"
+      - "{{BaseURL}}/index.php?module=API&method=SitesManager.getAllSites&format=json&token_auth=anonymous"
+      - "{{BaseURL}}/matomo/index.php?module=API&method=SitesManager.getAllSites&format=json&token_auth=anonymous"
+
+    stop-at-first-match: true
+    matchers-condition: and
+    matchers:
+      - type: status
+        status:
+          - 200
+
+      - type: word
+        part: header
+        words:
+          - "application/json"
+
+      - type: word
+        part: body
+        words:
+          - "nb_visits"
+          - "nb_uniq_visitors"
+          - "nb_actions"
+          - "idsite"
+          - "main_url"
+        condition: or

From f31f8616dd4f912604313a15e62d424ab623baf8 Mon Sep 17 00:00:00 2001
From: Dhiyaneshwaran <leedhiyanesh@gmail.com>
Date: Fri, 3 Apr 2026 21:31:44 +0530
Subject: [PATCH 2/2] Update piwik-unauthenticated-access.yaml

---
 .../piwik/piwik-unauthenticated-access.yaml    | 18 +++++++++---------
 1 file changed, 9 insertions(+), 9 deletions(-)

diff --git a/http/misconfiguration/piwik/piwik-unauthenticated-access.yaml b/http/misconfiguration/piwik/piwik-unauthenticated-access.yaml
index f13402fd799f..91d6839472e2 100644
--- a/http/misconfiguration/piwik/piwik-unauthenticated-access.yaml
+++ b/http/misconfiguration/piwik/piwik-unauthenticated-access.yaml
@@ -34,15 +34,6 @@ http:
     stop-at-first-match: true
     matchers-condition: and
     matchers:
-      - type: status
-        status:
-          - 200
-
-      - type: word
-        part: header
-        words:
-          - "application/json"
-
       - type: word
         part: body
         words:
@@ -52,3 +43,12 @@ http:
           - "idsite"
           - "main_url"
         condition: or
+
+      - type: word
+        part: content_type
+        words:
+          - "application/json"
+
+      - type: status
+        status:
+          - 200