CVE-2026-92883

{
  "etk_id": "ETK-2026-1452",
  "cve_id": "CVE-2026-92883",
  "display_id": "CVE-2026-92883",
  "ghsa_id": "GHSA-ggg2-vpmq-m78f",
  "euvd_id": "EUVD-2026-98215",
  "status": "published",
  "anchor_state": "anchored",
  "title": "HTML attribute sanitization flaw in GitLab syntax highlighting",
  "summary": "GitLab CE/EE releases before 19.2.8, 19.3.5, or 19.4.2 may inadequately sanitize attributes in syntax-highlighted repository output. An authenticated user could cause JavaScript to execute in another user's browser session when that user views affected content from a crafted repository.",
  "mitigation": "Upgrade GitLab to 19.2.8, 19.3.5, or 19.4.2, as appropriate for the supported release line. Restrict untrusted users' ability to create or share repositories until the update is complete.",
  "vendor": "GitLab",
  "product": "GitLab",
  "affected": [
    {
      "affected_notes": [],
      "affected_ranges": [
        ">= 19.1, < 19.2.8",
        ">= 19.3, < 19.3.5",
        ">= 19.4, < 19.4.2"
      ],
      "ecosystem": null,
      "fixed_versions": [
        "19.2.8",
        "19.3.5",
        "19.4.2"
      ],
      "package_name": "GitLab",
      "purl": null
    }
  ],
  "cwes": [
    79
  ],
  "cvss_score": 8.7,
  "cvss_src": "cna_vendor",
  "cvss_vector": "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:N",
  "epss_score": 0.0027,
  "epss_percentile": 0.1794,
  "epss_asof": "2026-10-20",
  "automation": "contextual",
  "check": false,
  "check_confidence_basis": null,
  "exploit": false,
  "pipeline_minutes": 117.74271196666666,
  "t0_at": "2026-10-13T01:05:51.167000+00:00",
  "signals": {
    "trigger_signal": {
      "at": "2026-10-13T01:05:51.167000+00:00",
      "days": 0,
      "is_lower_bound": false,
      "measured_at": "2026-10-13T01:05:51.167000+00:00",
      "url": "https://www.cve.org/CVERecord?id=CVE-2026-92883"
    }
  }
}