PT-2026-28322 · WordPress · Fluent Booking

Supakiad S · Published 2026-03-26 · Updated 2026-03-29 · CVE-2026-2231

Positive Technologies (AI Summary)

CVSS v3.1

7.2

High

Base vector

AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N

Name of the Vulnerable Software and Affected Versions Fluent Booking versions up to and including 2.0.01

Description The Fluent Booking plugin for WordPress is susceptible to Stored Cross-Site Scripting through multiple parameters. Insufficient input sanitization and output escaping allow unauthenticated attackers to inject arbitrary web scripts into pages. These scripts will execute when a user accesses the injected page.

Recommendations Update Fluent Booking to a version newer than 2.0.01.

Fix

XSS

Weakness Enumeration

CWE-79

Related Identifiers

CVE-2026-2231

Affected Products

Fluent Booking

References · 10

• https://nvd.nist.gov/vuln/detail/CVE-2026-2231 · Security Note
• https://plugins.trac.wordpress.org/browser/fluent-booking/trunk/app/Services/LocationService.php#L110 · Note
• https://plugins.trac.wordpress.org/browser/fluent-booking/trunk/app/Services/LocationService.php#L115 · Note
• https://plugins.trac.wordpress.org/browser/fluent-booking/trunk/app/Hooks/Handlers/FrontEndHandler.php#L864 · Note
• https://twitter.com/CVEnew/status/2038135195635941623 · Twitter Post
• https://plugins.trac.wordpress.org/browser/fluent-booking/trunk/app/Models/Booking.php#L448 · Note
• https://plugins.trac.wordpress.org/browser/fluent-booking/trunk/app/Models/Booking.php#L440 · Note
• https://twitter.com/cyberbivash/status/2037191291990093906 · Twitter Post
• https://wordfence.com/threat-intel/vulnerabilities/id/37441cc0-c43c-40e4-a170-1be59e112272?source=cve · Note
• https://plugins.trac.wordpress.org/changeset/3463540 · Note