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CVE-2026-84743

📛 CVE Title

The Events Calendar 6.15.16.1 - 6.17.4.1 - Contributor+ Event/Venue/Organizer Update, Trash and Ownership Takeover via by-slug REST Routes

⬇ Download JSON

Description

The Events Calendar WordPress plugin before 6.17.5 does not perform a per-object capability check on one family of its REST write routes, allowing users with a low-privilege role such as contributor to modify, unpublish, trash and take ownership of records belonging to other users, including administrators.

Overview

State
PUBLISHED
Assigner (CNA)
WPScan
CVSS severity
—
CVSS score
—
CVSS vector
—
Effective score
3.8 / 10 LOW source: NVD
CWE(s)
CWE-863 Incorrect Authorization
Reserved
2026-09-02
Published
2026-09-23 06:00 UTC
Last updated
2026-09-23 10:56 UTC
Source
https://raw.githubusercontent.com/CVEProject/cvelistV5/main/cves/2026/84xxx/CVE-2026-84743.json

NVD triage scoring NVD CVE 2.0

Layer NVD adds on top of the CNA's CVE record — published / last-modified timestamps, exploitability / impact subscores, and the FIRST.org EPSS probability that this CVE will be exploited in the wild in the next 30 days.

NVD published
2026-09-23 06:17:03 UTC
NVD last modified
2026-09-23 18:13:31 UTC
NVD CVSS v3.1
CVSS 3.8 / 10 3.8 3.8 / 10 LOW source: 134c704f-9b21-4f2e-91b3-4a467353bcc0
NVD CVSS vector
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:L/A:L
Exploitability subscore
1.2 / 10
Impact subscore
2.5 / 10
EPSS score
0.0018 (probability of exploitation in next 30 days)
EPSS percentile
7.86% vs all CVEs — higher = more likely to be exploited, as of 2026-09-23

NVD-assigned CWE(s): CWE-863 (differs from the CNA list above)

NVD / KEV / EPSS data refreshed 2026-09-24 04:34 UTC. Re-run the 🛰 Backfill from NVD button above to refresh.

European Union Vulnerability Database ENISA EUVD

ENISA's official EU repository for curated vulnerability intelligence. Carries a separate identifier (EUVD-YYYY-NNNN) and frequently exposes an earlier-published description + CVSS than NVD does.

EUVD ID
EUVD-2026-85040
Assigner
WPScan
Published
Sep 23, 2026, 6:00:17 AM
Updated
Sep 23, 2026, 10:56:22 AM
EUVD base score (CVSS 3.1)
3.8 / 10
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:L/A:L
EUVD-reported EPSS
0.1800
Vendors
Unknown
Products
The Events Calendar (6.15.16.1 <6.17.5)
Aliases
GHSA-gjgg-4qh2-m6v7

ENISA description: The Events Calendar WordPress plugin before 6.17.5 does not perform a per-object capability check on one family of its REST write routes, allowing users with a low-privilege role such as contributor to modify, unpublish, trash and take ownership of records belonging to other users, including administrators.

EUVD references (1)

Affected products (1)
VendorProductVersionsPlatforms
Unknown The Events Calendar 6.15.16.1 (affected) —

Vendor references (1)

References embedded in the original CVE record by the assigning CNA.

Web references (0)

DuckDuckGo results ranked by threat-intel / vendor advisory domains. Generated by the 🔎 Find references (web) button above — same flow as the Remediations search.

No web references attached yet.

NVD-tagged references (1)

Reference list NVD curates from the CNA record, vendor advisories, and third-party reports. The tag chips below are NVD's analyst-assigned categories.

Remediations (10)

  • CVE-2026-84474 - Red Hat Customer Portal
    web:access.redhat.com

    Overall, you have the following options: Upgrade to a supported product version that includes a fix for this vulnerability (recommended). Apply a mitigation (if one exists). Customers with the Technical Account Manager (TAM) RHEL Security Select Add-on can review this CVE directly with their TAM.

    2026-09-24 11:49 UTC
  • CVE-2026-84743: Incorrect Authorization (CVSS 3.8) | CVETodo
    web:cvetodo.com

    CVE-2026-84743 : Incorrect Authorization in The Events Calendar (CVSS 3.8). Full technical analysis, mitigations , and exploit status — updated in real time.

    2026-09-24 11:49 UTC
  • CVE-2026-84743 - Exploits & Severity - Feedly
    web:feedly.com

    The Events Calendar WordPress plugin before 6.17.5 does not perform a per-object capability check on one family of its REST write routes, allowing users with a low-privilege role such as contributor to modify, unpublish, trash and take ownership of records belonging to other users, including administrators.

    2026-09-24 11:49 UTC
  • Cisco Advance Notification for Publication of September 16, 2026 ...
    web:sec.cloudapps.cisco.com

    On September 16, 2026 , the Cisco Product Security Incident Response Team (PSIRT) published the advisories that are listed in the following tables. To remediate these vulnerabilities, Cisco strongly recommends that customers upgrade to the fixed software that is indicated in the advisories. For more information about changes in Cisco PSIRT vulnerability disclosure, see Strengthening the ...

    2026-09-24 11:49 UTC
  • Microsoft Patch Tracker (September 2026): Exploit-Ranked | Senserva
    web:senserva.com

    Every Microsoft security patch (KB) and the CVEs it fixes, with severity, CVSS, and CISA KEV status. Cross-linked to the CVE reference.

    2026-09-24 11:49 UTC
  • SAP Security Patch Day - June 2026
    web:support.sap.com

    SAP security Patch Day Bulletin This post shares the information on security notes that remediate vulnerabilities discovered in SAP products. SAP strongly recommends that the customer visits the support portal and applies patches on priority to protect their SAP landscape. On 9th of June 2026 , SAP security patch day saw the release of 15 new security notes.

    2026-09-24 11:49 UTC
  • SAP Security Patch Day - May 2026
    web:support.sap.com

    SAP security Patch Day Bulletin This post shares the information on security notes that remediate vulnerabilities discovered in SAP products. SAP strongly recommends that the customer visits the support portal and applies patches on priority to protect their SAP landscape. On 12 th of May 2026 , SAP security patch day saw the release of 15 new security notes.

    2026-09-24 11:49 UTC
  • CVE-2026-84743 - The Events Calendar Plugin Allows…
    web:vulmon.com

    Vulnerability Summary Users with low-privilege roles, such as contributor, can modify, unpublish, trash, and take ownership of records belonging to other users, including administrators, in The Events Calendar WordPress plugin versions prior to 6.17.5. This is due to a missing per-object capability check on certain REST write routes.

    2026-09-24 11:49 UTC
  • What Is CVE Remediation in 2026? - aikido.dev
    web:www.aikido.dev

    CVE remediation is fixing known flaws in the software you run. Why upgrading often fails, what remediation actually involves, and how backporting fixes it.

    2026-09-24 11:49 UTC
  • Oracle Critical Patch Update Advisory - July 2026
    web:www.oracle.com

    This Critical Patch Update contains 1448 new security patches across the product families listed below. Please note that a My Oracle Support (MOS) note summarizing the content of this Critical Patch Update and other Oracle Software Security Assurance activities is located at July 2026 Critical Patch Update: Executive Summary and Analysis.

    2026-09-24 11:49 UTC

AI Forensic Analysis

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Raw JSON

The full cvelistV5 record. Download as CVE-2026-84743.json.

{
  "containers": {
    "adp": [
      {
        "metrics": [
          {
            "cvssV3_1": {
              "attackComplexity": "LOW",
              "attackVector": "NETWORK",
              "availabilityImpact": "LOW",
              "baseScore": 3.8,
              "baseSeverity": "LOW",
              "confidentialityImpact": "NONE",
              "integrityImpact": "LOW",
              "privilegesRequired": "HIGH",
              "scope": "UNCHANGED",
              "userInteraction": "NONE",
              "vectorString": "CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:L/A:L",
              "version": "3.1"
            }
          },
          {
            "other": {
              "content": {
                "id": "CVE-2026-84743",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "partial"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2026-09-23T10:42:10.909564Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "problemTypes": [
          {
            "descriptions": [
              {
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                "description": "CWE-863 Incorrect Authorization",
                "lang": "en",
                "type": "CWE"
              }
            ]
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2026-09-23T10:56:22.720Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "The Events Calendar",
          "vendor": "Unknown",
          "versions": [
            {
              "lessThan": "6.17.5",
              "status": "affected",
              "version": "6.15.16.1",
              "versionType": "semver"
            }
          ]
        }
      ],
      "credits": [
        {
          "lang": "en",
          "type": "finder",
          "value": "Mohammed Abd Alrahman"
        },
        {
          "lang": "en",
          "type": "coordinator",
          "value": "WPScan"
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "The Events Calendar WordPress plugin before 6.17.5 does not perform a per-object capability check on one family of its REST write routes, allowing users with a low-privilege role such as contributor to modify, unpublish, trash and take ownership of records belonging to other users, including administrators."
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "description": "CWE-863 Incorrect Authorization",
              "lang": "en",
              "type": "CWE"
            }
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        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-09-23T06:00:17.852Z",
        "orgId": "1bfdd5d7-9bf6-4a53-96ea-42e2716d7a81",
        "shortName": "WPScan"
      },
      "references": [
        {
          "tags": [
            "exploit",
            "vdb-entry",
            "technical-description"
          ],
          "url": "https://wpscan.com/vulnerability/6c20337d-f485-491c-a380-38a3039af17d/"
        }
      ],
      "source": {
        "discovery": "EXTERNAL"
      },
      "title": "The Events Calendar 6.15.16.1 - 6.17.4.1 - Contributor+ Event/Venue/Organizer Update, Trash and Ownership Takeover via by-slug REST Routes",
      "x_generator": {
        "engine": "WPScan CVE Generator"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "1bfdd5d7-9bf6-4a53-96ea-42e2716d7a81",
    "assignerShortName": "WPScan",
    "cveId": "CVE-2026-84743",
    "datePublished": "2026-09-23T06:00:17.852Z",
    "dateReserved": "2026-09-02T08:41:21.163Z",
    "dateUpdated": "2026-09-23T10:56:22.720Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}