ghsa-2v3v-3whp-953h
Vulnerability from github
Published
2025-06-13 14:09
Modified
2025-06-13 14:09
Severity ?
6.5 (Medium) - CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:N
Summary
starcitizentools/citizen-skin allows stored XSS in user registration date message
Details

Summary

Various date messages returned by Language::userDate are inserted into raw HTML, allowing anybody who can edit those messages to insert arbitrary HTML into the DOM.

Details

The result of $this->lang->userDate( $timestamp, $this->user ) returns unescaped values, but is inserted as raw HTML by Citizen: https://github.com/StarCitizenTools/mediawiki-skins-Citizen/blob/072e4365e9084e4b153eac62d3666566c06f5a49/includes/Components/CitizenComponentUserInfo.php#L55-L60

PoC

  1. Go to any page using citizen with the uselang parameter set to x-xss and while being logged in Depending on the registration date of the account you're logged in with, various messages can be shown. In my case, it's november: image

Impact

This impacts wikis where a group has the editinterface but not the editsitejs user right.

Show details on source website

To clipboard 

{
  "affected": [
    {
      "package": {
        "ecosystem": "Packagist",
        "name": "starcitizentools/citizen-skin"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "3.3.0"
            },
            {
              "fixed": "3.3.1"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "aliases": [
    "CVE-2025-49578"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-79"
    ],
    "github_reviewed": true,
    "github_reviewed_at": "2025-06-13T14:09:00Z",
    "nvd_published_at": "2025-06-12T19:15:20Z",
    "severity": "MODERATE"
  },
  "details": "### Summary\nVarious date messages returned by `Language::userDate` are inserted into raw HTML, allowing anybody who can edit those messages to insert arbitrary HTML into the DOM.\n\n### Details\nThe result of `$this-\u003elang-\u003euserDate( $timestamp, $this-\u003euser )` returns unescaped values, but is inserted as raw HTML by Citizen:\nhttps://github.com/StarCitizenTools/mediawiki-skins-Citizen/blob/072e4365e9084e4b153eac62d3666566c06f5a49/includes/Components/CitizenComponentUserInfo.php#L55-L60\n\n### PoC\n1. Go to any page using citizen with the uselang parameter set to x-xss and while being logged in\nDepending on the registration date of the account you\u0027re logged in with, various messages can be shown. In my case, it\u0027s `november`:\n![image](https://github.com/user-attachments/assets/252a3453-99c8-4ce1-b6d6-a8485b7a9a43)\n\n\n### Impact\nThis impacts wikis where a group has the `editinterface` but not the `editsitejs` user right.",
  "id": "GHSA-2v3v-3whp-953h",
  "modified": "2025-06-13T14:09:00Z",
  "published": "2025-06-13T14:09:00Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://github.com/StarCitizenTools/mediawiki-skins-Citizen/security/advisories/GHSA-2v3v-3whp-953h"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2025-49578"
    },
    {
      "type": "WEB",
      "url": "https://github.com/StarCitizenTools/mediawiki-skins-Citizen/commit/64cb5d7ab3a6dc0381fae54b31e8fc4afadc8beb"
    },
    {
      "type": "WEB",
      "url": "https://github.com/StarCitizenTools/mediawiki-skins-Citizen/commit/93c36ac778397e0e7c46cf7adb1e5d848265f1bd"
    },
    {
      "type": "PACKAGE",
      "url": "https://github.com/StarCitizenTools/mediawiki-skins-Citizen"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:N",
      "type": "CVSS_V3"
    }
  ],
  "summary": "starcitizentools/citizen-skin allows stored XSS in user registration date message"
}


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