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CVE-2026-86444

CVE-2026-86444

validatedZero produced an exploit or a check.

GHSA-j44q-39v9-q752 ↗EUVD-2026-80200 ↗

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).+0mkevAttacks confirmed in the real world.+27d
thimpress learnpress >= 4.2.6.4, < 4.4.7
fixed in 4.4.7
ETK-2026-1985Zero's internal tracking ID, independent of the CVE number., permanent identifier
cvss7.1otherCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:L
+33dTTV
50mAI analysisAnalysis: how long the AI spent reversing this signal.
Check if you are vulnerable
timeline
0 = trigger signal
cve.org publication−27dpublic poctrigger signal +0dkev+1.0dcheck available+6.7dagent stopped
−20d
−10d
+10d

description

LearnPress versions before 4.4.7 can render unescaped request data in an HTML attribute on public pages. An unauthenticated attacker may cause script execution in a visitor's browser if the visitor opens a malicious link; the issue applies to sites using a classic, non-block theme.

mitigation

Upgrade LearnPress to version 4.4.7 or later. Until upgrading, move affected sites away from a classic, non-block theme configuration where feasible.

fixed in 4.4.7

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.
0.28%19th percentile
agent run time
50m
cve.org record, t = 0The moment cve.org publishes the CVE in full.
2026-09-16 06:00Z
Δ to public pocExploit code has been published by someone. Source signals can also carry a PoC (Proof of Concept).
+0m
Δ to kevAttacks confirmed in the real world.
+27d

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. 2026-09-16 06:00Z
  2. 2026-10-13
    vulncheck_kev: trigger signal, started the run
    https://vulncheck.com/cve/CVE-2026-86444
  3. 2026-10-13 00:00Z
  4. 2026-10-18 15:41Z

this entry in the feed

GET /api/v1/feed/CVE-2026-86444

{
  "etk_id": "ETK-2026-1985",
  "cve_id": "CVE-2026-86444",
  "display_id": "CVE-2026-86444",
  "ghsa_id": "GHSA-j44q-39v9-q752",
  "euvd_id": "EUVD-2026-80200",
  "status": "published",
  "anchor_state": "anchored",
  "title": "Cross-site scripting in LearnPress classic-theme pages",
  "summary": "LearnPress versions before 4.4.7 can render unescaped request data in an HTML attribute on public pages. An unauthenticated attacker may cause script execution in a visitor's browser if the visitor opens a malicious link; the issue applies to sites using a classic, non-block theme.",
  "mitigation": "Upgrade LearnPress to version 4.4.7 or later. Until upgrading, move affected sites away from a classic, non-block theme configuration where feasible.",
  "vendor": "thimpress",
  "product": "learnpress",
  "affected": [
    {
      "affected_notes": [],
      "affected_ranges": [
        ">= 4.2.6.4, < 4.4.7"
      ],
      "ecosystem": null,
      "fixed_versions": [
        "4.4.7"
      ],
      "package_name": "LearnPress",
      "purl": null
    }
  ],
  "cwes": null,
  "cvss_score": 7.1,
  "cvss_src": "other",
  "cvss_vector": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:L",
  "epss_score": 0.0028,
  "epss_percentile": 0.1945,
  "epss_asof": "2026-10-20",
  "automation": "deterministic",
  "check": true,
  "check_confidence_basis": "differential",
  "exploit": false,
  "pipeline_minutes": 49.7176439,
  "t0_at": "2026-09-16T06:00:14.986000+00:00",
  "signals": {
    "check": {
      "at": "2026-10-19T16:07:59.705447+00:00",
      "days": 33.42204536396991,
      "is_lower_bound": false,
      "measured_at": "2026-09-16T06:00:14.986000+00:00",
      "url": null
    },
    "kev": {
      "at": "2026-10-13T00:00:00+00:00",
      "days": 27,
      "is_lower_bound": false,
      "measured_at": "2026-09-16T06:00:14.986000+00:00",
      "precision": "day",
      "url": "https://vulncheck.com/cve/CVE-2026-86444"
    },
    "public_poc": {
      "at": "2026-09-16T06:00:14.986000+00:00",
      "days": 0,
      "is_lower_bound": false,
      "measured_at": "2026-09-16T06:00:14.986000+00:00",
      "url": "https://wpscan.com/vulnerability/c11f39bd-7db8-495f-9118-48b63ee0858f/"
    },
    "trigger_signal": {
      "at": "2026-10-13T00:00:00+00:00",
      "days": 26.749826550925928,
      "is_lower_bound": false,
      "measured_at": "2026-09-16T06:00:14.986000+00:00",
      "url": "https://vulncheck.com/cve/CVE-2026-86444"
    }
  }
}

published 2026-10-18 15:12Z
last change 2026-10-21 06:02Z

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