Reflected Cross-Site Scripting in MRBS by Meeting Room Booking System
CVE-2026-124474

5.3MEDIUM

What is CVE-2026-124474?

The Meeting Room Booking System (MRBS) prior to version 1.12.3 is susceptible to a reflected cross-site scripting (XSS) vulnerability. This flaw allows unauthenticated attackers to craft malicious links that, when accessed by logged-in users, could result in the execution of arbitrary scripts. Through this vulnerability, attackers can potentially gain access to CSRF tokens, alter booking entries, and execute unauthorized administrative commands. It is crucial for users of MRBS to update to version 1.12.3 or later to mitigate these risks.

Affected Version(s)

mrbs-code 0 < 1.12.3

mrbs-code 1.12.3

References

CVSS V4

Score:
5.3
Severity:
MEDIUM
Confidentiality:
Low
Integrity:
Low
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
Unknown

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

leediay153 from Viettel Post
campbell-m
.