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CVE-2026-55562

CVE-2026-55562

validatedZero produced an exploit or a check.

GHSA-vh39-3pcm-2j63 ↗EUVD-2026-98908 ↗

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.
jhuckaby Cronicle <= 0.9.118
fixed in 0.9.119
CWE-79 Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
ETK-2026-1484Zero's internal tracking ID, independent of the CVE number., permanent identifier
cvss9.0cna vendorCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:H
+1h43mTTV
48mAI analysisAnalysis: how long the AI spent reversing this signal.
Check if you are vulnerable
timeline
0 = trigger signal
trigger signal (cve.org) +0mcheck available+103magent stopped
0
+30min
+60min
+90min

description

Cronicle versions before 0.9.119 allow attacker-controlled account name data to be rendered in the administrator Activity Log without safe HTML encoding. An authenticated non-administrator can trigger script execution in an administrator's browser when that log is viewed; anonymous users may establish the same condition if self-registration is enabled.

mitigation

Upgrade Cronicle to version 0.9.119 or later. Until upgraded, disable self-registration and limit untrusted users' ability to modify account profile names.

fixed in 0.9.119

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.
yes, low privileges
EPSSEstimate of the chance this CVE is exploited in the next 30 days. Refreshed daily.
0.37%29th percentile
agent run time
48m
cve.org record, t = 0The moment cve.org publishes the CVE in full.
2026-10-13 16:18Z
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. 2026-10-13 16:18Z
    cve_org: trigger signal, started the run
    https://www.cve.org/CVERecord?id=CVE-2026-55562

this entry in the feed

GET /api/v1/feed/CVE-2026-55562

{
  "etk_id": "ETK-2026-1484",
  "cve_id": "CVE-2026-55562",
  "display_id": "CVE-2026-55562",
  "ghsa_id": "GHSA-vh39-3pcm-2j63",
  "euvd_id": "EUVD-2026-98908",
  "status": "published",
  "anchor_state": "anchored",
  "title": "Stored cross-site scripting in Cronicle Activity Log",
  "summary": "Cronicle versions before 0.9.119 allow attacker-controlled account name data to be rendered in the administrator Activity Log without safe HTML encoding. An authenticated non-administrator can trigger script execution in an administrator's browser when that log is viewed; anonymous users may establish the same condition if self-registration is enabled.",
  "mitigation": "Upgrade Cronicle to version 0.9.119 or later. Until upgraded, disable self-registration and limit untrusted users' ability to modify account profile names.",
  "vendor": "jhuckaby",
  "product": "Cronicle",
  "affected": [
    {
      "affected_notes": [],
      "affected_ranges": [
        "<= 0.9.118"
      ],
      "ecosystem": "github",
      "fixed_versions": [
        "0.9.119"
      ],
      "package_name": "Cronicle",
      "purl": null
    }
  ],
  "cwes": [
    79
  ],
  "cvss_score": 9,
  "cvss_src": "cna_vendor",
  "cvss_vector": "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:H",
  "epss_score": 0.0037,
  "epss_percentile": 0.2927,
  "epss_asof": "2026-10-20",
  "automation": "deterministic",
  "check": true,
  "check_confidence_basis": "differential",
  "exploit": false,
  "pipeline_minutes": 47.661525233333336,
  "t0_at": "2026-10-13T16:18:55.780000+00:00",
  "signals": {
    "check": {
      "at": "2026-10-13T18:01:37.469268+00:00",
      "days": 0.07131584800925926,
      "is_lower_bound": false,
      "measured_at": "2026-10-13T16:18:55.780000+00:00",
      "url": null
    },
    "trigger_signal": {
      "at": "2026-10-13T16:18:55.780000+00:00",
      "days": 0,
      "is_lower_bound": false,
      "measured_at": "2026-10-13T16:18:55.780000+00:00",
      "url": "https://www.cve.org/CVERecord?id=CVE-2026-55562"
    }
  }
}

published 2026-10-13 17:13Z
last change 2026-10-21 05:31Z

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