CVE-2026-86842

Description

The Real3D Flipbook WordPress plugin before 5.4 does not perform capability checks on several of its authenticated flipbook management actions, allowing users with Author-level access and above to delete other users' flipbook content and overwrite administrator-only global settings, which can be leveraged to store JavaScript that executes in the context of any visitor or administrator viewing the site.

Overview

State: PUBLISHED
Assigner (CNA): WPScan
CVSS severity: —
CVSS score: —
CVSS vector: —
Effective score: 6.8 / 10 MEDIUM source: NVD
CWE(s): CWE-862 Missing Authorization, CWE-79 Cross-Site Scripting (XSS)
Reserved: 2026-09-08
Published: 2026-09-23 06:00 UTC
Last updated: 2026-09-23 10:54 UTC
Source: https://raw.githubusercontent.com/CVEProject/cvelistV5/main/cves/2026/86xxx/CVE-2026-86842.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 06:17:04 UTC
NVD last modified: 2026-09-23 18:13:31 UTC
NVD CVSS v3.1: 6.8 / 10 MEDIUM source: 134c704f-9b21-4f2e-91b3-4a467353bcc0
NVD CVSS vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:U/C:H/I:H/A:H
Exploitability subscore: 0.9 / 10
Impact subscore: 5.9 / 10
EPSS score: 0.0021 (probability of exploitation in next 30 days)
EPSS percentile: 10.79% vs all CVEs — higher = more likely to be exploited, as of 2026-09-23

NVD-assigned CWE(s): CWE-862 (differs from the CNA list above)

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-2026-85046
Assigner: WPScan
Published: Sep 23, 2026, 6:00:19 AM
Updated: Sep 23, 2026, 10:54:53 AM
EUVD base score (CVSS 3.1): 6.8 / 10
CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:U/C:H/I:H/A:H
EUVD-reported EPSS: 0.2100
Vendors: Unknown
Products: Real3D Flipbook (0 <5.4)
Aliases: GHSA-c2cv-7vq9-6xf7

ENISA description: The Real3D Flipbook WordPress plugin before 5.4 does not perform capability checks on several of its authenticated flipbook management actions, allowing users with Author-level access and above to delete other users' flipbook content and overwrite administrator-only global settings, which can be leveraged to store JavaScript that executes in the context of any visitor or administrator viewing the site.

EUVD references (1)

https://wpscan.com/vulnerability/b98713d1-e618-4728-baea-f26015e24b60/

Affected products (1)

Vendor	Product	Versions	Platforms
Unknown	Real3D Flipbook	`0` (affected)	—

Vendor references (1)

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

https://wpscan.com/vulnerability/b98713d1-e618-4728-baea-f26015e24b60/ exploitvdb-entrytechnical-description

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.

https://wpscan.com/vulnerability/b98713d1-e618-4728-baea-f26015e24b60/ contact@wpscan.com

Remediations (10)

CVE-2026-68426 - 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 11:48 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 11:48 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 11:48 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 11:48 UTC
August 2026 CVE Advisory Notification - Security

web:support.servicenow.com

Due to additional analysis provided by the security researcher who discovered CVE - 2026 -6876, we have upgraded the severity rating of CVE - 2026 -6876 from High to Critical. This change affects only the severity

2026-09-24 11:48 UTC
CISA KEV Linux Kernel Update: Three Exploited Flaws

web:www.hexnode.com

The CISA KEV Linux kernel update flags three exploited flaws. Learn the risks, patch priorities, and how Hexnode supports Linux remediation .

2026-09-24 11:48 UTC
Security Bulletin: IBM WebSphere Application Server and WebSphere ...

web:www.ibm.com

Remediation /Fixes IBM strongly recommends addressing the vulnerability now by applying a currently available interim fix or fix pack that contains the fix for APAR PH71893 and PH71916 . To determine if a feature is enabled for WebSphere Application Server Liberty, refer to How to determine if Liberty is using a specific feature.

2026-09-24 11:48 UTC
Oracle Critical Patch Update Advisory - April 2026

web:www.oracle.com

This Critical Patch Update contains 481 new security patches across the product families listed below. Please note that an MOS note summarizing the content of this Critical Patch Update and other Oracle Software Security Assurance activities is located at April 2026 Critical Patch Update: Executive Summary and Analysis.

2026-09-24 11:48 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 11:48 UTC
CISA KEV September 16, 2026: Three CVE Patch Analysis

web:www.secpod.com

Patch Timeline & Exploitation Gap Analysis The September 16, 2026 dataset contains three CISA KEV vulnerabilities. Each record was added to the catalog on September 16, 2026 and assigned a remediation deadline of September 19, 2026 . Consequently, all three vulnerabilities have an identical three-calendar-day KEV inclusion-to- remediation window.

2026-09-24 11:48 UTC

AI Forensic Analysis

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Raw JSON

The full cvelistV5 record. Download as CVE-2026-86842.json.

{
  "containers": {
    "adp": [
      {
        "metrics": [
          {
            "cvssV3_1": {
              "attackComplexity": "LOW",
              "attackVector": "NETWORK",
              "availabilityImpact": "HIGH",
              "baseScore": 6.8,
              "baseSeverity": "MEDIUM",
              "confidentialityImpact": "HIGH",
              "integrityImpact": "HIGH",
              "privilegesRequired": "HIGH",
              "scope": "UNCHANGED",
              "userInteraction": "REQUIRED",
              "vectorString": "CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:U/C:H/I:H/A:H",
              "version": "3.1"
            }
          },
          {
            "other": {
              "content": {
                "id": "CVE-2026-86842",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "total"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2026-09-23T10:39:32.693971Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "problemTypes": [
          {
            "descriptions": [
              {
                "cweId": "CWE-862",
                "description": "CWE-862 Missing Authorization",
                "lang": "en",
                "type": "CWE"
              }
            ]
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2026-09-23T10:54:53.569Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "Real3D Flipbook",
          "vendor": "Unknown",
          "versions": [
            {
              "lessThan": "5.4",
              "status": "affected",
              "version": "0",
              "versionType": "semver"
            }
          ]
        }
      ],
      "credits": [
        {
          "lang": "en",
          "type": "finder",
          "value": "Artus KG"
        },
        {
          "lang": "en",
          "type": "coordinator",
          "value": "WPScan"
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "The Real3D Flipbook  WordPress plugin before 5.4 does not perform capability checks on several of its authenticated flipbook management actions, allowing users with Author-level access and above to delete other users' flipbook content and overwrite administrator-only global settings, which can be leveraged to store JavaScript that executes in the context of any visitor or administrator viewing the site."
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "description": "CWE-862 Missing Authorization",
              "lang": "en",
              "type": "CWE"
            }
          ]
        },
        {
          "descriptions": [
            {
              "description": "CWE-79 Cross-Site Scripting (XSS)",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-09-23T06:00:19.684Z",
        "orgId": "1bfdd5d7-9bf6-4a53-96ea-42e2716d7a81",
        "shortName": "WPScan"
      },
      "references": [
        {
          "tags": [
            "exploit",
            "vdb-entry",
            "technical-description"
          ],
          "url": "https://wpscan.com/vulnerability/b98713d1-e618-4728-baea-f26015e24b60/"
        }
      ],
      "source": {
        "discovery": "EXTERNAL"
      },
      "title": "Real3D Flipbook Lite < 5.4 - Author+ Content Deletion and Stored XSS via Global Settings Overwrite",
      "x_generator": {
        "engine": "WPScan CVE Generator"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "1bfdd5d7-9bf6-4a53-96ea-42e2716d7a81",
    "assignerShortName": "WPScan",
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    "datePublished": "2026-09-23T06:00:19.684Z",
    "dateReserved": "2026-09-08T14:45:56.924Z",
    "dateUpdated": "2026-09-23T10:54:53.569Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}