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CVE-2026-120534

CVE-2026-120534

validatedZero produced an exploit or a check.
check availableZero validated a working check for it.not proven exploitableZero has a detection check, but hasn't produced a full working exploit yet.
cve.orgpublic pocExploit code has been published by someone. Source signals can also carry a PoC (Proof of Concept).kevAttacks confirmed in the real world.
ACF Extended Advanced Custom Fields: Extended PRO <= 0.9.2.6
CWE-434 Unrestricted Upload of File with Dangerous Type
ETK-2026-3332Zero's internal tracking ID, independent of the CVE number., permanent identifier
cvss9.8cna vendorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
+48mTTV
25mAI analysisAnalysis: how long the AI spent reversing this signal.
Check if you are vulnerable
timeline
0 = trigger signal
trigger signal (cve.org) +0mcheck available+48magent stopped
0
+10min
+20min
+30min
+40min

description

ACF Extended PRO through version 0.9.2.6 can allow unauthenticated requests to invoke WordPress functions with attacker-controlled arguments during field rendering. Exposure requires either shortcode_preview to be enabled for the affected form or an environment where OpenSSL functions are unavailable.

mitigation

Keep shortcode_preview disabled and ensure the server has working OpenSSL support. Disable or restrict access to affected forms, or remove the plugin, until a vendor-fixed release is available.

check
available
exploit
no
automationDeterministic: a check that runs on its own, the same request on every target. Contextual: an agentic technique that needs to be applied per target, for bugs that depend on contextual flows.
deterministic
auth requiredWhether an attacker needs an account first, based on the CVSS vector's Privileges Required.
no
EPSSEstimate of the chance this CVE is exploited in the next 30 days. Refreshed daily.
–
agent run time
25m
cve.org record, t = 0The moment cve.org publishes the CVE in full.
2026-11-03 04:43Z
Δ to public pocExploit code has been published by someone. Source signals can also carry a PoC (Proof of Concept).
–
Δ to kevAttacks confirmed in the real world.
–

outcome

Check only, differential: the check fires on the vulnerable build and is silent on the patched one.

source signals

Public signals that triggered or updated the pipeline. These are inputs for the deltas above.

  1. 2026-11-03 04:43Z
    cve_org: trigger signal, started the run
    https://www.cve.org/CVERecord?id=CVE-2026-120534

this entry in the feed

GET /api/v1/feed/CVE-2026-120534

{
  "etk_id": "ETK-2026-3332",
  "cve_id": "CVE-2026-120534",
  "display_id": "CVE-2026-120534",
  "ghsa_id": null,
  "euvd_id": null,
  "status": "published",
  "anchor_state": "anchored",
  "title": "Unauthenticated code injection in ACF Extended PRO",
  "summary": "ACF Extended PRO through version 0.9.2.6 can allow unauthenticated requests to invoke WordPress functions with attacker-controlled arguments during field rendering. Exposure requires either shortcode_preview to be enabled for the affected form or an environment where OpenSSL functions are unavailable.",
  "mitigation": "Keep shortcode_preview disabled and ensure the server has working OpenSSL support. Disable or restrict access to affected forms, or remove the plugin, until a vendor-fixed release is available.",
  "vendor": "ACF Extended",
  "product": "Advanced Custom Fields: Extended PRO",
  "affected": [
    {
      "affected_notes": [],
      "affected_ranges": [
        ">= 0, <= 0.9.2.6"
      ],
      "ecosystem": null,
      "fixed_versions": [],
      "package_name": "Advanced Custom Fields: Extended PRO",
      "purl": null
    }
  ],
  "cwes": [
    434
  ],
  "cvss_score": 9.8,
  "cvss_src": "cna_vendor",
  "cvss_vector": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
  "epss_score": null,
  "epss_percentile": null,
  "epss_asof": null,
  "automation": "deterministic",
  "check": true,
  "check_confidence_basis": "differential",
  "exploit": false,
  "pipeline_minutes": 24.896677766666667,
  "t0_at": "2026-11-03T04:43:09.501000+00:00",
  "signals": {
    "check": {
      "at": "2026-11-03T05:30:48.008280+00:00",
      "days": 0.033084575,
      "is_lower_bound": false,
      "measured_at": "2026-11-03T04:43:09.501000+00:00",
      "url": null
    },
    "trigger_signal": {
      "at": "2026-11-03T04:43:09.501000+00:00",
      "days": 0,
      "is_lower_bound": false,
      "measured_at": "2026-11-03T04:43:09.501000+00:00",
      "url": "https://www.cve.org/CVERecord?id=CVE-2026-120534"
    }
  }
}

published 2026-11-03 05:05Z
last change 2026-11-03 06:03Z

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