Answer in brief
CVE-2026-124474 records a Medium severity (CVSS 5.3) vulnerability in MRBS before 1.12.3 Reflected XSS via error parameter of view_entry.php. The current sources do not mark it as known exploited. The current feed maps meeting-room-booking-system/mrbs-code (generic). Check affected ranges and fixed versions before updating.
Analysis pending evidence review
HOL Guard separates source facts from reviewed analysis. See the methodology.
CVSS is 5.3. The current sources do not mark it as known exploited. Treat this as a source-backed prioritization signal, not a statement about your environment.
Analysis status
Analysis pending evidence review
Factual feed record only; HOL analysis is not approved for indexing. Read the methodology.
The current feed maps meeting-room-booking-system/mrbs-code (generic). Check affected ranges and fixed versions before updating.
| Package | Affected range | Fixed version |
|---|---|---|
| meeting-room-booking-system/mrbs-codegeneric | >=0 <1.12.3 | 1.12.3 |
Published upstream
Nov 8, 2026
Evidence: source:cvelist:source_dates:source-dates:recordSource modified
Nov 8, 2026
Evidence: source:cvelist:source_dates:source-dates:recordFirst seen by HOL
Nov 8, 2026
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.
Quoted source text, attributed separately from HOL analysis.