{
  "affected": [
    {
      "package": {
        "ecosystem": "Packagist",
        "name": "leantime/leantime"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "3.3.0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "aliases": [],
  "database_specific": {
    "cwe_ids": [
      "CWE-79"
    ],
    "github_reviewed": true,
    "github_reviewed_at": "2026-03-05T18:05:57Z",
    "nvd_published_at": null,
    "severity": "MODERATE"
  },
  "details": "### Summary\nLeantime v2.3.27 is vulnerable to Stored HTML Injection. The `firstname` and `lastname` fields in the admin user edit page are rendered without  HTML escaping, allowing an authenticated user to inject arbitrary HTML that executes when the profile is viewed.\n\n### Vulnerable File\n`app/Domain/Users/Templates/editUser.tpl.php`\n\n### Vulnerable Code (Lines ~14-17)\n```php\nvalue=\"\u003c?php echo $values[\u0027firstname\u0027] ?\u003e\"\nvalue=\"\u003c?php echo $values[\u0027lastname\u0027] ?\u003e\"\n```\nThese fields output raw user input without sanitization.\n\n### Steps to Reproduce\n1. Login as admin \u003e Go to Settings \u003e Users \u003e Edit any user\n2. Enter HTML payload in First Name or Last Name field:\n   `\u003ch1\u003eINJECTED\u003c/h1\u003e`\n3. Save the user profile\n4. Create or view an article \u2014 the injected HTML renders in the author name\n\n### Fix\nReplace unescaped `echo` with `htmlspecialchars()`:\n```php\nvalue=\"\u003c?php echo htmlspecialchars($values[\u0027firstname\u0027], ENT_QUOTES, \u0027UTF-8\u0027) ?\u003e\"\nvalue=\"\u003c?php echo htmlspecialchars($values[\u0027lastname\u0027], ENT_QUOTES, \u0027UTF-8\u0027) ?\u003e\"\n```\nOr use the existing `$this-\u003ee()` helper already used in `editOwn.tpl.php`.\n\n### Impact\n- Stored HTML injection visible to all users viewing affected content\n- Can be used for phishing, fake login forms, and UI defacement\n- Affects all versions before 3.3.0",
  "id": "GHSA-qrfh-cc86-vc8c",
  "modified": "2026-03-05T18:05:57Z",
  "published": "2026-03-05T18:05:57Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://github.com/Leantime/leantime/security/advisories/GHSA-qrfh-cc86-vc8c"
    },
    {
      "type": "WEB",
      "url": "https://github.com/Leantime/leantime/commit/3f8b2c6346111694bb18cec558b27c22d3a2b9d1"
    },
    {
      "type": "PACKAGE",
      "url": "https://github.com/Leantime/leantime"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N",
      "type": "CVSS_V3"
    }
  ],
  "summary": "Leantime has HTML injection through firstname and lastname fields"
}