{
 "id": "WPSEC-2026-2747",
 "url": "https://wpsec.com/vuln/WPSEC-2026-2747/",
 "json_url": "https://wpsec.com/vuln/WPSEC-2026-2747/advisory.json",
 "markdown_url": "https://wpsec.com/vuln/WPSEC-2026-2747/index.md",
 "title": "Download Manager <= 3.3.75 - Authenticated (Author+) Missing Authorization to Package File Overwrite via Chunked Upload",
 "description": "The Download Manager plugin for WordPress is vulnerable to unauthorized file overwrite in all versions up to, and including, 3.3.75. This is due to chunked package uploads being assembled in a shared temporary file named only after the destination file name, with no per-user separation, and the finished file being renamed over any existing file of the same name. This makes it possible for authenticated attackers with author-level access or above (users with the upload_files capability) to corrupt or hijack another user's in-progress upload, or to replace an existing package file in the upload directory with their own content.",
 "plugin": {
  "slug": "download-manager",
  "name": "Download Manager",
  "full_name": "Download Manager",
  "wordpress_org": "https://wordpress.org/plugins/download-manager/",
  "advisories_url": "https://wpsec.com/vuln/plugin/download-manager/",
  "attacksurface": "https://attacksurface.wpsec.com/plugin/download-manager"
 },
 "type": "NO AUTHORISATION",
 "cwe": [
  "CWE-862"
 ],
 "cve": [],
 "cvss": {
  "version": "3.1",
  "score": 5.4,
  "vector": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:L",
  "severity": "Medium"
 },
 "affected": {
  "ranges": [
   {
    "from": null,
    "from_inclusive": true,
    "to": "3.3.76",
    "to_inclusive": false
   }
  ],
  "text": [
   "all versions before 3.3.76"
  ]
 },
 "introduced_in": null,
 "fixed_in": "3.3.76",
 "remediation": "Update to 3.3.76 or later.",
 "fix_released": "2026-11-07T17:35:10+00:00",
 "published": "2026-11-08T17:40:50+00:00",
 "updated": "2026-11-08T13:07:26.130719+00:00",
 "also_published_as": null,
 "references": [
  "https://wpsec.com/vuln/WPSEC-2026-2747/",
  "https://plugins.svn.wordpress.org/download-manager/tags/3.3.76/",
  "https://wordpress.org/plugins/download-manager/"
 ],
 "attacksurface_url": "https://attacksurface.wpsec.com/plugin/download-manager",
 "source": "WPSec",
 "license": {
  "name": "CC BY 4.0",
  "url": "https://creativecommons.org/licenses/by/4.0/"
 },
 "usage": {
  "plugin": "High",
  "affected_versions": "High",
  "as_of": "2026-11-08"
 }
}