CVE-2025-39485

Description

Deserialization of Untrusted Data vulnerability in ThemeGoods Grand Tour grandtour allows Object Injection.This issue affects Grand Tour: from n/a through <= 5.6.

Overview

State: PUBLISHED
Assigner (CNA): Patchstack
CVSS severity: CRITICAL
CVSS score: 9.8 / 10
CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Effective score: 9.8 / 10 CRITICAL source: CNA overview
CWE(s): CWE-502
Reserved: 2025-04-16
Published: 2025-05-23 14:43 UTC
Last updated: 2026-04-28 18:12 UTC
Source: https://raw.githubusercontent.com/CVEProject/cvelistV5/main/cves/2025/39xxx/CVE-2025-39485.json
Linked Threat: CVE-2025-39485 — Grand Tour | Travel Agency WordPress <= 5.5.1 - Unauthenticated PHP Object Injection

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: 2025-05-23 13:15:30 UTC
NVD last modified: 2026-06-17 09:18:02 UTC
NVD CVSS v3.1: 9.8 / 10 CRITICAL source: audit@patchstack.com
NVD CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Exploitability subscore: 3.9 / 10
Impact subscore: 5.9 / 10
EPSS score: 0.0050 (probability of exploitation in next 30 days)
EPSS percentile: 39.18% vs all CVEs — higher = more likely to be exploited, as of 2026-06-30

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-2025-27958
Assigner: Patchstack
Published: May 23, 2025, 12:43:55 PM
Updated: Apr 28, 2026, 4:12:32 PM
EUVD base score (CVSS 3.1): 9.8 / 10
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EUVD-reported EPSS: 0.3700
Vendors: ThemeGoods
Products: Grand Tour (0 ≤5.6)

Grand Tour | Travel Agency WordPress (n/a ≤5.5.1)
Aliases: GHSA-2g6j-8hm3-67hp

ENISA description: Deserialization of Untrusted Data vulnerability in ThemeGoods Grand Tour grandtour allows Object Injection.This issue affects Grand Tour: from n/a through <= 5.6.

EUVD references (1)

https://patchstack.com/database/Wordpress/Theme/grandtour/vulnerability/wordpress-grandtour-theme-5-5-1-php-object-injection-vulnerability?_s_id=cve

Affected products (1)

Vendor	Product	Versions	Platforms
ThemeGoods	Grand Tour	`0` (affected)	—

Affected products — CPE 2.3 (1) NVD

NVD's normalized CPE 2.3 matchers, used by vendor tools (vulnerability scanners, asset managers) for automated detection. Compare with the CNA's free-text "Affected products" section above.

cpe:2.3:a:themegoods:grand_tour:*:*:*:*:*:wordpress:*:*

Vendor references (1)

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

https://patchstack.com/database/Wordpress/Theme/grandtour/vulnerability/wordpress-grandtour-theme-5-5-1-php-object-injection-vulnerability?_s_id=cve vdb-entry

MITRE references (1) cveawg.mitre.org

Pulled from MITRE's CVE Services API by the 🛰 Backfill from MITRE button.

https://patchstack.com/database/Wordpress/Theme/grandtour/vulnerability/wordpress-grandtour-theme-5-5-1-php-object-injection-vulnerability?_s_id=cve vdb-entry

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://patchstack.com/database/Wordpress/Theme/grandtour/vulnerability/wordpress-grandtour-theme-5-5-1-php-object-injection-vulnerability?_s_id=cve audit@patchstack.com Third Party Advisory

Indicators (2)

IOCs linked to the auto-promoted Threat row.

Type	Value	VirusTotal	Attached
domain	`injection.this`	no local data	2026-05-18 21:19 UTC
cve	`CVE-2025-39485`	no local data	2026-06-06 13:42 UTC

Remediations (17)

Remediations are stored against the linked Threat row; the list below is deduplicated across both pages.

Wordfence remediation: Grand Tour | Travel Agency WordPress

Wordfence

No known patch available. Please review the vulnerability's details in depth and employ mitigations based on your organization's risk tolerance. It may be best to uninstall the affected software and find a replacement.

2026-06-06 13:42 UTC
3 critical vulnerabilities affect Hikvision product: Patch Now

web:infosecbulletin.com

The Hikvision Security Response Center issued advisory revealing three critical vulnerabilities in HikCentral products. CVE identifiers CVE - 2025 -39245, CVE - 2025 -39246, and CVE - 2025 -39247 represent vulnerabilities with moderate to high severity, potentially allowing attackers to execute unauthorized commands, gain elevated privileges, or obtain administrative access. Summary:

2026-05-22 13:36 UTC
Critical Patches Issued for Microsoft Products, May 12, 2026

web:www.cisecurity.org

<p>Multiple vulnerabilities have been discovered in Microsoft products, the most severe of which could allow for remote code execution. Successful exploitation of the most severe of these vulnerabilities could result in an attacker gaining the same privileges as the logged-on user. Depending on the privileges associated with the user, an attacker could then install programs; view, change, or ...

2026-05-22 13:36 UTC
Android Security Bulletin—September 2025 - Android Open Source Project

web:source.android.com

Android partners are encouraged to fix all issues in this bulletin and use the latest security patch level. Devices that use the 2025 -09-01 security patch level must include all issues associated with that security patch level, as well as fixes for all issues reported in previous security bulletins.

2026-05-22 13:36 UTC
Microsoft Releases Guidance on High-Severity Vulnerability (CVE-2025 ...

web:cisa.gov

Update (08/12/ 2025 ): CISA has updated this alert to provide clarification on identifying Exchange Servers on an organization's networks and provided further guidance on running the Microsoft Exchange Health Checker. Update (08/07/ 2025 ): CISA issued Emergency Directive (ED) 25-02: Mitigate Microsoft Exchange Vulnerability in response to CVE - 2025 -53786

2026-05-22 13:36 UTC
Microsoft Confirms Active 0-Day Exploit—Check Emergency Mitigation

web:www.forbes.com

Microsoft Exchange users are urged to mitigate a zero-day vulnerability that CISA has confirmed is under active exploitation.

2026-05-22 13:36 UTC
Patch Tuesday May 2026: Security Updates & CVE Analysis

web:zecurit.com

Get the complete breakdown of Microsoft's May 2026 Patch Tuesday. We analyze the latest security updates and all critical CVEs .

2026-05-22 13:36 UTC
Microsoft Releases Out-of-Band Security Update to Mitigate ... - CISA

web:www.cisa.gov

Updated October 29, 2025 : CISA has updated this Alert to include revised information on vulnerable product identification, potential threat activity detections, and additional resources. Microsoft released an update to address a critical remote code execution vulnerability impacting Windows Server Update Service (WSUS) in Windows Server (2012, 2016, 2019, 2022, and 2025 ), CVE - 2025 -59287

2026-05-22 03:48 UTC
Oracle Critical Patch Update Advisory - October 2025

web:www.oracle.com

This Critical Patch Update contains 374 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 October 2025 Critical Patch Update: Executive Summary and Analysis.

2026-05-22 03:48 UTC
February's Patch Tuesday release fixes 59 flaws ... - Computerworld

web:www.computerworld.com

Each month, the team at Readiness analyzes the latest Patch Tuesday updates from Microsoft and provides detailed, actionable testing guidance. The company's Patch Tuesday release for February ...

2026-05-22 03:48 UTC
ArcGIS Server Security 2025 Update 2 Patch - Esri

web:www.esri.com

Key highlights The ArcGIS Server Security 2025 update 2 is available This patch resolves 10 Medium severity vulnerabilities This security patch is cumulative, and includes fixes provided in the ArcGIS Server Security 2025 update 1.

2026-05-22 03:48 UTC
Microsoft Patch Tuesday, September 2025 Edition - Krebs on Security

web:krebsonsecurity.com

Microsoft Corp. today issued security updates to fix more than 80 vulnerabilities in its Windows operating systems and software. There are no known "zero-day" or actively exploited ...

2026-05-22 03:48 UTC
Microsoft Rushes Out Emergency Mitigation For 'YellowKey ... - LinkedIn

web:www.linkedin.com

Microsoft Security Response Center has issued an emergency mitigation for a newly disclosed BitLocker bypass vulnerability known as "YellowKey," after security researchers publicly released ...

2026-05-22 03:48 UTC
Nvd - Cve-2026-45585

web:nvd.nist.gov

Secure .gov websites use HTTPS A lock () or https:// means you've safely connected to the .gov website. Share sensitive information only on official, secure websites.

2026-05-22 03:48 UTC
Security Update Guide - Loading - Microsoft

web:portal.msrc.microsoft.com

The Security Update Guide provides information on the latest Microsoft security updates, helping users understand and address potential vulnerabilities effectively.

2026-05-22 03:48 UTC
Emergency patch issued for Microsoft Office, 365 over hacking threat - MSN

web:www.msn.com

Microsoft suggests the threat is being used in phishing attacks against vulnerable systems since successful exploitation requires local access to the PC.

2026-05-22 03:48 UTC
Microsoft confirms patching issues in restricted Windows networks

web:www.bleepingcomputer.com

Microsoft says customers in restricted network environments may encounter Windows Update failures after installing the January 2026 optional non-security preview updates.

2026-05-22 03:48 UTC

AI Forensic Analysis

Only Available for Registered Users. Sign in to view.

Raw JSON

The full cvelistV5 record. Download as CVE-2025-39485.json.

{
  "containers": {
    "adp": [
      {
        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2025-39485",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "yes"
                  },
                  {
                    "Technical Impact": "total"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2025-05-23T13:37:20.969749Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2025-05-23T13:37:54.091Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "collectionURL": "https://wordpress.org/plugins",
          "defaultStatus": "unaffected",
          "packageName": "grandtour",
          "product": "Grand Tour",
          "vendor": "ThemeGoods",
          "versions": [
            {
              "lessThanOrEqual": "5.6",
              "status": "affected",
              "version": "0",
              "versionType": "custom"
            }
          ]
        }
      ],
      "credits": [
        {
          "lang": "en",
          "type": "finder",
          "value": "Bonds | Patchstack Bug Bounty Program"
        }
      ],
      "datePublic": "2026-04-01T16:39:31.607Z",
      "descriptions": [
        {
          "lang": "en",
          "supportingMedia": [
            {
              "base64": false,
              "type": "text/html",
              "value": "Deserialization of Untrusted Data vulnerability in ThemeGoods Grand Tour grandtour allows Object Injection.<p>This issue affects Grand Tour: from n/a through <= 5.6.</p>"
            }
          ],
          "value": "Deserialization of Untrusted Data vulnerability in ThemeGoods Grand Tour grandtour allows Object Injection.This issue affects Grand Tour: from n/a through <= 5.6."
        }
      ],
      "impacts": [
        {
          "capecId": "CAPEC-586",
          "descriptions": [
            {
              "lang": "en",
              "value": "Object Injection"
            }
          ]
        }
      ],
      "metrics": [
        {
          "cvssV3_1": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "HIGH",
            "baseScore": 9.8,
            "baseSeverity": "CRITICAL",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "HIGH",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
            "version": "3.1"
          },
          "format": "CVSS",
          "scenarios": [
            {
              "lang": "en",
              "value": "GENERAL"
            }
          ]
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-502",
              "description": "Deserialization of Untrusted Data",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-04-28T16:12:32.633Z",
        "orgId": "21595511-bba5-4825-b968-b78d1f9984a3",
        "shortName": "Patchstack"
      },
      "references": [
        {
          "tags": [
            "vdb-entry"
          ],
          "url": "https://patchstack.com/database/Wordpress/Theme/grandtour/vulnerability/wordpress-grandtour-theme-5-5-1-php-object-injection-vulnerability?_s_id=cve"
        }
      ],
      "title": "WordPress GrandTour theme <= 5.6 - PHP Object Injection vulnerability"
    }
  },
  "cveMetadata": {
    "assignerOrgId": "21595511-bba5-4825-b968-b78d1f9984a3",
    "assignerShortName": "Patchstack",
    "cveId": "CVE-2025-39485",
    "datePublished": "2025-05-23T12:43:55.410Z",
    "dateReserved": "2025-04-16T06:23:51.712Z",
    "dateUpdated": "2026-04-28T16:12:32.633Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}