CVE-2026-124474

Description

MRBS (Meeting Room Booking System) before 1.12.3 contains a reflected cross-site scripting vulnerability that allows unauthenticated attackers to inject script via the error parameter of view_entry.php. Attackers can send crafted links to logged-in users to read CSRF tokens, modify or delete bookings, or perform administrative actions.

References

• https://github.com/meeting-room-booking-system/mrbs-code/blob/38d51e05f4a0ab39820f3830ca5dcae5f34d8546/web/view_entry.php#L966-L969
• https://github.com/meeting-room-booking-system/mrbs-code/commit/83b8253853359964f850208c28036b2bfa202466
• https://github.com/meeting-room-booking-system/mrbs-code/releases/tag/v1.12.3
• https://github.com/meeting-room-booking-system/mrbs-code/security/advisories/GHSA-5wqw-q7gh-j65v
• https://www.vulncheck.com/advisories/mrbs-before-1.12.3-reflected-xss-via-error-parameter-of-view-entry-php