{"id":"CVE-2026-118576","aliases":["DRUPAL-CONTRIB-2026-286","EUVD-2026-113688","GHSA-qrww-563x-vvf9"],"status":"published","title":"Stage File Proxy - Critical - Cross-site scripting - SA-CONTRIB-2026-286","description":"Improper Neutralization of Input During Web Page Generation (\"Cross-site Scripting\") vulnerability in Drupal Stage File Proxy allows Cross-Site Scripting (XSS). This issue affects Stage File Proxy versions: from 0.0.0 to 3.1.7, from 4.0.0 to 4.0.1.","severity":{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N","level":"medium","assessor":"adp","from":"cve"},"epss":{"day":"2026-11-12","score":0.00173,"percentile":0.06785,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-79"],"published":"2026-10-28T17:36:56Z","modified":"2026-11-06T12:29:12Z","fixes":[{"ecosystem":"Packagist:https://packages.drupal.org/8","package":"drupal/stage_file_proxy","fixed_in":["3.1.7","4.0.1"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"Packagist:https://packages.drupal.org/8","package":"drupal/stage_file_proxy","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.1.7"}]},{"type":"ECOSYSTEM","events":[{"introduced":"4.0.0"},{"fixed":"4.0.1"}]}]}],"products":[{"vendor":"drupal","product":"stage file proxy"}],"references":[{"url":"https://www.drupal.org/sa-contrib-2026-286","tags":["web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-118576","tags":["advisory"]},{"url":"https://github.com/advisories/GHSA-qrww-563x-vvf9"},{"url":"https://git.drupalcode.org/project/stage_file_proxy","tags":["web"]},{"url":"https://www.drupal.org/project/stage_file_proxy","tags":["web"]},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/118xxx/CVE-2026-118576.json","tags":["advisory"]}],"sources":{"cve":[{"id":"CVE-2026-118576","title":"Stage File Proxy - Critical - Cross-site scripting - SA-CONTRIB-2026-286","description":"Improper Neutralization of Input During Web Page Generation (\"Cross-site Scripting\") vulnerability in Drupal Stage File Proxy allows Cross-Site Scripting (XSS). This issue affects Stage File Proxy versions: from 0.0.0 to 3.1.7, from 4.0.0 to 4.0.1.","status":"published","published":"2026-10-30T03:08:39.367Z","modified":"2026-11-06T12:29:12.081Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N","level":"medium","assessor":"adp"}],"cwes":["CWE-79"],"updated_at":"2026-11-06T13:28:12.24582Z"}],"euvd":[{"id":"EUVD-2026-113688","description":"Improper Neutralization of Input During Web Page Generation (\"Cross-site Scripting\") vulnerability in Drupal Stage File Proxy allows Cross-Site Scripting (XSS). This issue affects Stage File Proxy versions: from 0.0.0 to 3.1.7, from 4.0.0 to 4.0.1.","status":"published","published":"2026-10-30T03:08:39Z","modified":"2026-11-06T12:29:12Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N","level":"medium"}],"updated_at":"2026-11-06T13:04:55.758116Z"}],"ghsa":[{"id":"GHSA-qrww-563x-vvf9","title":"Improper Neutralization of Input During Web Page Generation (\"Cross-site Scripting\")...","description":"Improper Neutralization of Input During Web Page Generation (\"Cross-site Scripting\") vulnerability in Drupal Stage File Proxy allows Cross-Site Scripting (XSS). This issue affects Stage File Proxy versions: from 0.0.0 to 3.1.7, from 4.0.0 to 4.0.1.","status":"published","published":"2026-10-30T06:32:01Z","modified":"2026-11-06T15:32:22Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N","level":"medium"}],"cwes":["CWE-79"],"updated_at":"2026-11-06T16:00:41.773289Z"}],"nvd":[{"id":"CVE-2026-118576","description":"Improper Neutralization of Input During Web Page Generation (\"Cross-site Scripting\") vulnerability in Drupal Stage File Proxy allows Cross-Site Scripting (XSS). This issue affects Stage File Proxy versions: from 0.0.0 to 3.1.7, from 4.0.0 to 4.0.1.","status":"published","published":"2026-10-30T04:18:23.817Z","modified":"2026-11-06T13:17:29.43Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N","level":"medium","assessor":"secondary"}],"cwes":["CWE-79"],"updated_at":"2026-11-06T16:00:35.469074Z"}],"osv":[{"id":"CVE-2026-118576","title":"Stage File Proxy - Critical - Cross-site scripting - SA-CONTRIB-2026-286","description":"Improper Neutralization of Input During Web Page Generation (\"Cross-site Scripting\") vulnerability in Drupal Stage File Proxy allows Cross-Site Scripting (XSS). This issue affects Stage File Proxy versions: from 0.0.0 to 3.1.7, from 4.0.0 to 4.0.1.","status":"published","published":"2026-10-30T03:08:39.367Z","modified":"2026-11-08T02:30:24.536207706Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N","level":"medium"}],"cwes":["CWE-79"],"updated_at":"2026-11-07T03:08:01.41647Z"},{"id":"DRUPAL-CONTRIB-2026-286","description":"Stage File Proxy is a general solution for getting production files on a development server on demand. **It is not intended for usage on production sites.**\n\nThe module doesn't sufficiently check file URL for malicious content when attempting to do fallback retrieval leading to a cross-site scripting vulnerability.\n\nThis vulnerability is mitigated by the fact this development module must be enabled on an attacker's target site, and the attacker must be able to upload a malicious file to the \"origin\" server configured for the module.","status":"published","published":"2026-10-28T17:36:56Z","modified":"2026-10-28T18:15:02.683333528Z","updated_at":"2026-11-02T15:46:13.900249Z"}]}}