Description
The Appointment & Event Booking Calendar Plugin – Webba Booking plugin for WordPress is vulnerable to unauthorized modification of data due to a missing capability check on the save_appearance() function in all versions up to, and including, 5.0.48. This makes it possible for authenticated attackers, with Subscriber-level access and above, to modify the booking form's CSS.
References (3)
Core 3
Core References
Scores
CVSS v3
4.3
EPSS
0.0040
EPSS Percentile
31.5%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N
CISA SSVC
Vulnrichment
Exploitation
none
Automatable
no
Technical Impact
partial
Details
CWE
CWE-862
Status
published
Products (2)
webba-agency/Easy Appointment Booking & Scheduling System – Webba Booking Calendar
< 5.0.48
webba-booking/webba_booking
< 5.0.50
Published
Sep 24, 2024
Tracked Since
Feb 18, 2026