Vendor
4 published CVES affecting mrbs, from public sources (CVE.org, NVD, CISA KEV, FIRST EPSS, OSV).
Newest publication first
The MRBS version 1.5.0 has an SQL injection vulnerability in the edit_entry_handler.php file, specifically in the rooms%5B%5D parameter
SQL injection vulnerability in Meeting Room Booking System (MRBS) before 1.4 allows remote attackers to execute arbitrary SQL commands via the area parameter to (1) month.php, and possibly (2) day.php and (3) week.php.
Multiple cross-site scripting (XSS) vulnerabilities in Meeting Room Booking System (MRBS) 1.2.6 allow remote attackers to inject arbitrary web script or HTML via the area parameter to (1) day.php, (2) week.php, (3) month.php, (4) search.php, (5) report.php, and (6) help.php. NOTE...
SQL injection vulnerability in ing/blocks/mrbs/code/web/view_entry.php in the MRBS plugin for Moodle allows remote attackers to execute arbitrary SQL commands via the id parameter.
Sources: CVE.org, NVD, CISA KEV, FIRST EPSS, OSV and public exploit-reference metadata. Product matching comes from the published CVE records. A proof-of-concept means public code exists; it is not evidence of exploitation.