CVE-2026-45026 — Cross-Site Scripting (XSS)

title: CVE-2026-45026 - WeGIA Stored XSS in processo_aceitacao.php
id: scw-2026-05-11-ai-1
status: experimental
level: critical
description: |
  Detects attempts to exploit CVE-2026-45026 by identifying requests to the vulnerable 'processo_aceitacao.php' page containing common XSS payload indicators within the query string. This rule targets the initial injection of malicious JavaScript, which can lead to session hijacking and account takeover.
author: SCW Feed Engine (AI-generated)
date: 2026-05-11
references:
  - https://shimiscyberworld.com/posts/nvd-CVE-2026-45026/
tags:
  - attack.initial_access
  - attack.t1190
logsource:
    category: webserver
detection:
  selection:
      cs-uri|endswith:
          - '/html/atendido/processo_aceitacao.php'
      cs-uri-query|contains:
          - '<script>'
      cs-uri-query|contains:
          - 'alert('
  selection_base:
      sc-status:
          - '200'
  condition: selection AND selection_base
falsepositives:
  - Legitimate administrative activity

Source: Shimi's Cyber World · License & reuse