imageresizer-debug-exposure: ImageResizer Debug - Information Exposure

2026-01-08 ImageResizer PoC Public

Description

The ImageResizer debug endpoint exposes sensitive server configuration and path information.

PoC

id: imageresizer-debug-exposure

info:
  name: ImageResizer Debug - Information Exposure
  author: ritikchaddha
  severity: low
  description: The ImageResizer debug endpoint exposes sensitive server configuration and path information.
  reference:
    - https://world.optimizely.com/blogs/Eric-Pettersson/Dates/2016/4/hide-resizer-debug-ashx-from-your-website/
  metadata:
    verified: true
    max-request: 2
    fofa-query: title="ImageResizer"
  tags: exposure,debug,imageresizer,config,vuln

http:
  - method: GET
    path:
      - "{{BaseURL}}/resizer.debug.ashx"
      - "{{BaseURL}}/resizer.debug"

    stop-at-first-match: true
    matchers-condition: and
    matchers:
      - type: word
        part: body
        words:
          - "ImageResizer."
          - "Diagnostics"
          - "Configuration:"
          - "Registered plugins:"
        condition: and

      - type: status
        status:
          - 200
# digest: 490a004630440220489d641887e8a3c295b3b02d0f7d95601b9aeb240e35ed34c40206832b14940202205f34dc9e3153dac2ca4ee7a8244c88a0599100061f99c1f71ac088651d6d52e1:922c64590222798bb761d5b6d8e72950

# Visit https://trap.biu.life/ to view exploit trends for this vulnerability.

References

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