TI-2026-84981 Aliases CVE-2026-57639 GHSA-jjgm-fqmr-3vwc

Cross-site scripting in WordPress WP Booking System plugin

LOW 30CWE-79Published 2026-11-04 · Updated 2026-11-04

Key facts

Attack vector: Network
Privileges required: None
User interaction: Required
Attack complexity: Low
Impact type: Cross-site scripting
Confidentiality · integrity · availability: Low · Low · Low
Fix status: No fix listed

Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-79.

Summary

The WP Booking System plugin for WordPress by Roland Murg is affected from n/a through 2.1.0.6. Improper neutralization of input during web page generation (CWE-79) allows reflected cross-site scripting. A remote attacker without privileges can inject script that runs in a victim's browser after the victim interacts with a crafted page.

Written with Claude Haiku 5.5 from the sources below · 2026-11-04

Description from the CNA

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in Roland Murg WP Booking System wp-booking-system allows Reflected XSS.This issue affects WP Booking System: from n/a through 2.1.0.6.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV

EPSS 0.00146 3rd percentileScored 2026-11-07

Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation: None
Automatable: No
Technical impact: Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

Vendor	Product	Affected versions	Fixed in	Status	Source
Roland Murg	WP Booking System	up to 2.1.0.6	—	No fix listed	CNA

WP Booking System VendorRoland Murg Affected up to 2.1.0.6 Fixed in — No fix listed CNA

Remediation

The sources list no fixed version for WP Booking System.

Written with Claude Haiku 5.5 from the sources below · 2026-11-04

Timeline

2026-11-04 Threatist record created from CVE-2026-57639
2026-11-04 Alias added: GHSA-jjgm-fqmr-3vwc
2026-11-04 CISA SSVC decision points changed
2026-11-04 Priority changed: MEDIUM → LOW

References

Other 1

https://patchstack.com/database/wordpress/plugin/wp-booking-system/vulnerability/wordpress-wp-booking-system-plugin-2-1-0-6-cross-site-scripting-xss-vulnerability?_s_id=cve

TI-2023-25264 WordPress Current Menu Item for Custom Post Types Plugin <= 1.5 is vulnerable to Cross Site Request Forgery (CSRF) CVSS 3.1HIGH 8.8
TI-2025-42036 WordPress WP Booking System plugin <= 2.0.19.12 - Sensitive Data Exposure vulnerability CVSS 3.1MEDIUM 5.8
TI-2025-26283 WordPress WP Simple Booking Calendar plugin <= 2.0.13 - Broken Access Control vulnerability CVSS 3.1MEDIUM 6.5
TI-2024-33858 WordPress WP Booking System – Booking Calendar plugin <= 2.0.19.10 - Broken Access Control vulnerability CVSS 3.1MEDIUM 6.5
TI-2023-27168 WordPress WP Booking System plugin <= 2.0.19.2 - Broken Access Control vulnerability CVSS 3.1MEDIUM 4.3

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences