CVE-2026-58205

{
  "etk_id": "ETK-2026-2808",
  "cve_id": "CVE-2026-58205",
  "display_id": "CVE-2026-58205",
  "ghsa_id": "GHSA-r6x2-w38j-vvq2",
  "euvd_id": "EUVD-2026-111407",
  "status": "published",
  "anchor_state": "anchored",
  "title": "Reflected cross-site scripting in GRR",
  "summary": "GRR versions before 4.5.0 are affected by reflected cross-site scripting in maj.php when installation files remain accessible. An attacker may cause script execution in a victim's browser if the victim visits a crafted URL, potentially enabling session compromise or deceptive redirects.",
  "mitigation": "Upgrade GRR to version 4.5.0 or later. Remove or restrict access to installation files that remain on the server.",
  "vendor": "JeromeDevome",
  "product": "GRR",
  "affected": [
    {
      "affected_notes": [],
      "affected_ranges": [
        "<= 4.4.2"
      ],
      "ecosystem": null,
      "fixed_versions": [
        "4.5.0"
      ],
      "package_name": null,
      "purl": null
    }
  ],
  "cwes": [
    79
  ],
  "cvss_score": 8.1,
  "cvss_src": "cna_vendor",
  "cvss_vector": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N",
  "epss_score": null,
  "epss_percentile": null,
  "epss_asof": null,
  "automation": "contextual",
  "check": false,
  "check_confidence_basis": null,
  "exploit": false,
  "pipeline_minutes": 19.287285033333333,
  "t0_at": "2026-10-27T22:26:14.705000+00:00",
  "signals": {
    "trigger_signal": {
      "at": "2026-10-27T22:26:14.705000+00:00",
      "days": 0,
      "is_lower_bound": false,
      "measured_at": "2026-10-27T22:26:14.705000+00:00",
      "url": "https://www.cve.org/CVERecord?id=CVE-2026-58205"
    }
  }
}