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Grand Tour | Travel Agency WordPress <= 5.5.1 — Unauthenticated PHP Object Injection

CVE-2025-39485Published · Updated

Action summary

Affected: ≤5.5.1No patch available

What to do until a fix ships
Watch theme
Critical9.8CVSS 3.19.8CISA KEVNot listedAccessNo account needed
On this page3

Overview

Advisory ID
CVE-2025-39485
Affected
≤5.5.1
Fixed in
no fix yet
Required access
No account needed
Published
· updated
Credit
Bonds
  1. Affected≤ 5.5.1
  2. PatchedNo fix yet

No patched version available.

9.8
CVSS 3.1 · CNA (Wordfence)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
What does this vector mean?
AV:N Attack vector
Network
AC:L Attack complexity
Low
PR:N Privileges required
None
UI:N User interaction
None
S:U Scope
Unchanged
C:H Confidentiality
High
I:H Integrity
High
A:H Availability
High

The Grand Tour | Travel Agency WordPress theme for WordPress is vulnerable to PHP Object Injection in versions up to, and including, 5.5.1 via deserialization of untrusted input. This makes it possible for unauthenticated attackers to inject a PHP Object. No known POP chain is present in the vulnerable software. If a POP chain is present via an additional plugin or theme installed on the target system, it could allow the attacker to delete arbitrary files, retrieve sensitive data, or execute code.

Not sure which version you run? Run a passive check — it reads public files only.

Remediation & mitigations

  1. 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.
  2. Rotate administrator passwords and application secrets if the site ran a vulnerable version while publicly reachable.

References & provenance

Proof-of-concept & detection

No public proof-of-concept or detection template is known for this vulnerability.

Advisories & patches

Related CVEs

More vulnerabilities in Grand Tour | Travel Agency WordPress
SeverityVulnerabilityCVEPublished
Medium4.3Cross-Site Request Forgery
≤5.5.1No patch available
CVE-2026-66652
High7.2Unauthenticated Stored Cross-Site Scripting
<5.6.2Update to 5.6.2
CVE-2025-67952
Other PHP Object Injection vulnerabilities
SeverityVulnerabilityCVEPublished
High7.2Unauthenticated Stored DOM-Based Cross-Site Scripting via Image Alt Attribute in .wp-caption Containers
Lightbox & Modal Popup WordPress Plugin – FooBox≤2.8.7Update to 2.8.8
CVE-2026-120687
Medium6.4Authenticated (Subscriber+) Stored Cross-Site Scripting via 'Popup' Shortcode Attribute via Profile Video
FV Player 8≤8.1.9Update to 8.2.0
CVE-2026-110531
Medium5.4Unauthenticated Stored Cross-Site Scripting via 'title' Attribute of [bf_login_form] Shortcode
BuddyForms≤2.10.6Update to 2.10.7
CVE-2026-127115
High7.2Unauthenticated Stored Cross-Site Scripting via Multipart Field Name
Multi Step for Contact Form 7≤2.9.1Update to 2.9.2
CVE-2026-116753

Timeline

  1. CVE published

    Severity critical, CVSS 9.8

  2. Record last updated

Sources & licenses

Wordfence record
Vulnerability data
Wordfence Intelligence. Copyright 2012-2026 Defiant Inc. Licensed under the CC BY-SA 4.0.
CVE® identifiers
Copyright 1999-2026 The MITRE Corporation. Used under the CVE Program. CVE® is a registered trademark of The MITRE Corporation.
CVSS / CWE
National Vulnerability Database (NVD), shown unmodified. This product uses the NVD API but is not endorsed or certified by the NVD.
VulnCrest content
Summary, remediation guidance and page layout © VulnCrest. Not sourced from NVD.

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