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TI-2026-78615 Aliases CVE-2026-109147GHSA-xwc2-fpw5-v72g

Reflected cross-site scripting in WP Booking System WordPress plugin

Priority LOW 31CWE-79Published · Updated

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
Fixed

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

Summary

The WP Booking System WordPress plugin before 2.1.0.3 does not validate or escape the booking_id parameter before reflecting it in an admin page (CWE-79). An attacker can get a logged-in user, such as an administrator, to open a crafted link that runs script in that user's browser. The references include an exploit link.

Written with Claude Haiku 5.5 from the sources below · 2026-10-28

Description from the CNA

The WP Booking System WordPress plugin before 2.1.0.3 does not validate and escape one of its parameters before reflecting it back in an admin page, leading to Reflected Cross-Site Scripting which could be used against high privilege users such as administrators.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00243 15th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by the CNA
Fix Fixed WP Booking System (Unknown): 2.1.0.3

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

VendorProductAffected versionsFixed inStatusSource
UnknownWP Booking Systembefore 2.1.0.32.1.0.3Patch availableCNA
  • WP Booking System VendorUnknown Affected before 2.1.0.3 Fixed in 2.1.0.3 Patch available CNA

Remediation

Update the WP Booking System plugin to version 2.1.0.3, which fixes the flaw.

Written with Claude Haiku 5.5 from the sources below · 2026-10-28

  • Fix · CNA WP Booking System (Unknown) Fixed in 2.1.0.3

Timeline

  1. 2026-10-21 Threatist record created from CVE-2026-109147
  2. 2026-10-21 Alias added: GHSA-xwc2-fpw5-v72g

References

Exploit 1

Sources

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