What’s Vulnerable › Vulnerabilities

CVE-2021-4389: WP Travel <= 4.4.6 - Cross-Site Request Forgery Bypass

• Severity: medium (CVSS 4.3 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.5% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2023-07-01 · updated 2026-06-17
• Weakness: CWE-352

Description

The WP Travel plugin for WordPress is vulnerable to Cross-Site Request Forgery in versions up to, and including, 4.4.6. This is due to missing or incorrect nonce validation on the save_meta_data() function. This makes it possible for unauthenticated attackers to save metadata for travel posts via a forged request granted they can trick a site administrator into performing an action such as clicking on a link.

Affected products

• wptravel WP Travel – Ultimate Travel Booking System, Tour Management Engine: before 4.4.7 — fixed in 4.4.7

How to fix

Upgrade to a fixed version: wptravel WP Travel – Ultimate Travel Booking System, Tour Management Engine 4.4.7. Check the vendor advisory for mitigations.

References

• https://blog.nintechnet.com/25-wordpress-plugins-vulnerable-to-csrf-attacks/
• https://blog.nintechnet.com/more-wordpress-plugins-and-themes-vulnerable-to-csrf-attacks/
• https://blog.nintechnet.com/multiple-wordpress-plugins-fixed-csrf-vulnerabilities-part-1/
• https://blog.nintechnet.com/multiple-wordpress-plugins-fixed-csrf-vulnerabilities-part-2/
• https://blog.nintechnet.com/multiple-wordpress-plugins-fixed-csrf-vulnerabilities-part-3/
• https://blog.nintechnet.com/multiple-wordpress-plugins-fixed-csrf-vulnerabilities-part-4/
• https://blog.nintechnet.com/multiple-wordpress-plugins-fixed-csrf-vulnerabilities-part-5/
• https://plugins.trac.wordpress.org/changeset/2477827/wp-travel/tags/4.4.7/inc/admin/class-admin-metaboxes.php
• https://www.wordfence.com/threat-intel/vulnerabilities/id/28dea1e9-e772-488e-b98f-93a46ab84581?source=cve
• https://blog.nintechnet.com/25-wordpress-plugins-vulnerable-to-csrf-attacks/
• https://blog.nintechnet.com/more-wordpress-plugins-and-themes-vulnerable-to-csrf-attacks/
• https://blog.nintechnet.com/multiple-wordpress-plugins-fixed-csrf-vulnerabilities-part-1/

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