WordPress Elementor Website Builder <= 3.5.5 - DOM Cross-Site Scripting

mediumseverity

6.1CVSS score

23.7%likelihood of exploitation, next 30 days

98%of all CVEs are less likely

Readycheck to confirm it

WordPress Elementor Website Builder plugin 3.5.5 and prior contains a reflected cross-site scripting vulnerability via the document object model.

Impact

Successful exploitation of this vulnerability could allow an attacker to execute arbitrary JavaScript code in the context of the victim's browser, leading to potential data theft, session hijacking, or defacement of the affected website.

Fix

Upgrade WordPress Elementor Website Builder to version 3.5.6 or later to mitigate this vulnerability.

How to confirm it

Send: GET {{BaseURL}}/wp-content/plugins/elementor/readme.txt
Positive when: compare_versions(version, '<= 3.5.5') AND contains "Elementor Website Builder" AND status 200

Run it with nuclei: nuclei -id CVE-2022-29455 -u <target>

The full check

id: CVE-2022-29455

info:
  name: WordPress Elementor Website Builder <= 3.5.5 - DOM Cross-Site Scripting
  author: rotembar,daffainfo
  severity: medium
  description: |
    WordPress Elementor Website Builder plugin 3.5.5 and prior contains a reflected cross-site scripting vulnerability via the document object model.
  impact: |
    Successful exploitation of this vulnerability could allow an attacker to execute arbitrary JavaScript code in the context of the victim's browser, leading to potential data theft, session hijacking, or defacement of the affected website.
  remediation: |
    Upgrade WordPress Elementor Website Builder to version 3.5.6 or later to mitigate this vulnerability.
  reference:
    - https://rotem-bar.com/hacking-65-million-websites-greater-cve-2022-29455-elementor
    - https://www.rotem-bar.com/elementor
    - https://patchstack.com/database/vulnerability/elementor/wordpress-elementor-plugin-3-5-5-unauthenticated-dom-based-reflected-cross-site-scripting-xss-vulnerability
    - https://nvd.nist.gov/vuln/detail/CVE-2022-29455
    - https://wordpress.org/plugins/elementor/#developers
  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-2022-29455
    cwe-id: CWE-79
    epss-score: 0.23678
    epss-percentile: 0.97832
    cpe: cpe:2.3:a:elementor:website_builder:*:*:*:*:*:wordpress:*:*
  metadata:
    verified: true
    max-request: 1
    vendor: elementor
    product: website_builder
    framework: wordpress
  tags: cve,cve2022,xss,wordpress,elementor,passive,vuln

http:
  - method: GET
    path:
      - '{{BaseURL}}/wp-content/plugins/elementor/readme.txt'

    matchers-condition: and
    matchers:
      - type: dsl
        dsl:
          - compare_versions(version, '<= 3.5.5')

      - type: word
        part: body
        words:
          - 'Elementor Website Builder'

      - type: status
        status:
          - 200

    extractors:
      - type: regex
        name: version
        group: 1
        regex:
          - "(?m)Stable tag: ([0-9.]+)"
        internal: true

      - type: regex
        group: 1
        regex:
          - "(?m)Stable tag: ([0-9.]+)"

References

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