# WP Booking System Booking Calendar vulnerabilities

Source: https://junglewise.ai/threats/technologies/wp-booking-system-booking-calendar-1  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Updated: 9 November 2026, 03:07 UTC. Rebuilt every hour.  
Data: https://junglewise.ai/threats/technologies/wp-booking-system-booking-calendar-1.json  
License: CC BY 4.0 with a link back

Junglewise Threat Intelligence has tracked 3 vulnerabilities in WP Booking System Booking Calendar: 0 in the last 7 days and 3 in the last 90 days, 1 of them critical and 0 exploited in the wild. The most recent, CVE-2026-116557, was published on 31 October 2026. 3 vulnerabilities in the last four weeks, up from none in the four before. 1 critical against 0.

## Counts

- Last 7 days: 0
- Last 30 days: 3
- Last 90 days: 3
- All time: 3 (1 critical, 0 exploited in the wild)

## About WP Booking System Booking Calendar

WordPress plugin for managing appointment and booking reservations.

## Latest WP Booking System Booking Calendar vulnerabilities

- [CVE-2026-116557: WP Booking System Booking Calendar authorization bypass in note deletion](https://junglewise.ai/threats/cve-2026-116557-the-wp-booking-system-booking-calendar-plugin-for-wordpress-is) (critical, CVSS 9.1, published 31 Oct 2026)
- [CVE-2026-109369: WP Booking System authorization bypass in form access control](https://junglewise.ai/threats/cve-2026-109369-the-wp-booking-system-booking-calendar-plugin-for-wordpress-is) (medium, CVSS 6.8, published 17 Oct 2026)
- [CVE-2026-111178: WP Booking System SQL injection in orderby parameter](https://junglewise.ai/threats/cve-2026-111178-the-wp-booking-system-booking-calendar-plugin-for-wordpress-is) (medium, CVSS 4.9, published 16 Oct 2026)

## Most severe WP Booking System Booking Calendar vulnerabilities

- [CVE-2026-116557: WP Booking System Booking Calendar authorization bypass in note deletion](https://junglewise.ai/threats/cve-2026-116557-the-wp-booking-system-booking-calendar-plugin-for-wordpress-is) (critical, CVSS 9.1, published 31 Oct 2026)
- [CVE-2026-109369: WP Booking System authorization bypass in form access control](https://junglewise.ai/threats/cve-2026-109369-the-wp-booking-system-booking-calendar-plugin-for-wordpress-is) (medium, CVSS 6.8, published 17 Oct 2026)
- [CVE-2026-111178: WP Booking System SQL injection in orderby parameter](https://junglewise.ai/threats/cve-2026-111178-the-wp-booking-system-booking-calendar-plugin-for-wordpress-is) (medium, CVSS 4.9, published 16 Oct 2026)

## Vulnerabilities per week

3 vulnerabilities in the last four weeks, up from none in the four before. 1 critical against 0.

| Week of | Vulns | Critical | Exploited |
| --- | --- | --- | --- |
| 17 Aug 2026 | 0 | 0 | 0 |
| 24 Aug 2026 | 0 | 0 | 0 |
| 31 Aug 2026 | 0 | 0 | 0 |
| 7 Sep 2026 | 0 | 0 | 0 |
| 14 Sep 2026 | 0 | 0 | 0 |
| 21 Sep 2026 | 0 | 0 | 0 |
| 28 Sep 2026 | 0 | 0 | 0 |
| 5 Oct 2026 | 0 | 0 | 0 |
| 12 Oct 2026 | 2 | 0 | 0 |
| 19 Oct 2026 | 0 | 0 | 0 |
| 26 Oct 2026 | 1 | 1 | 0 |
| 2 Nov 2026 | 0 | 0 | 0 |
| 9 Nov 2026 | 0 | 0 | 0 |

## Sources

NVD, GitHub Security Advisories, OSV, the CISA Known Exploited Vulnerabilities catalog, FIRST EPSS and vendor advisories. Rebuilt every hour. Cite as: Junglewise Threat Intelligence, "WP Booking System Booking Calendar vulnerabilities", https://junglewise.ai/threats/technologies/wp-booking-system-booking-calendar-1, 9 November 2026.