CVE-2026-93756

{
  "etk_id": "ETK-2026-428",
  "cve_id": "CVE-2026-93756",
  "display_id": "CVE-2026-93756",
  "ghsa_id": "GHSA-gg2r-v4vh-hxrm",
  "euvd_id": "EUVD-2026-91253",
  "status": "published",
  "anchor_state": "anchored",
  "title": "Stored cross-site scripting in Smash Balloon Social Post Feed",
  "summary": "Smash Balloon Social Post Feed for WordPress through version 4.13.0 improperly handles content from Facebook comments in its administrative feed preview. An attacker able to comment on a connected Facebook Page could cause script to run in an administrator's browser when that administrator opens the preview, potentially enabling unauthorized plugin installation actions.",
  "mitigation": "Disable or tightly restrict comments on Facebook Pages connected to the plugin, and do not open feed-builder previews while exposure remains. Apply a vendor update once a release addressing this issue is available, and review recent plugin-installation activity.",
  "vendor": "smub",
  "product": "Smash Balloon Social Post Feed – Simple Social Feeds for WordPress",
  "affected": [
    {
      "affected_notes": [],
      "affected_ranges": [
        ">= 0, <= 4.13.0"
      ],
      "ecosystem": null,
      "fixed_versions": [],
      "package_name": "Smash Balloon Social Post Feed – Simple Social Feeds for WordPress",
      "purl": null
    }
  ],
  "cwes": [
    79
  ],
  "cvss_score": 7.2,
  "cvss_src": "cna_vendor",
  "cvss_vector": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N",
  "epss_score": 0.0027,
  "epss_percentile": 0.177,
  "epss_asof": "2026-10-20",
  "automation": "deterministic",
  "check": true,
  "check_confidence_basis": "differential",
  "exploit": false,
  "pipeline_minutes": 28.2593268,
  "t0_at": "2026-10-02T07:39:27.358000+00:00",
  "signals": {
    "check": {
      "at": "2026-10-03T07:39:16.644646+00:00",
      "days": 0.9998760028472222,
      "is_lower_bound": false,
      "measured_at": "2026-10-02T07:39:27.358000+00:00",
      "url": null
    },
    "trigger_signal": {
      "at": "2026-10-02T07:39:27.358000+00:00",
      "days": 0,
      "is_lower_bound": false,
      "measured_at": "2026-10-02T07:39:27.358000+00:00",
      "url": "https://www.cve.org/CVERecord?id=CVE-2026-93756"
    }
  }
}