RCE in Classroombookings
CVE-2026-6486
A vulnerability was detected in classroombookings up to 2.17.0. This impacts the function read of the file crbs-core/application/views/layout.php of the component User Display Name Handler. The manipulation of the argument displayname resu…
Vulnerability class: XSS (Cross-Site Scripting)
EPSS: 0.000 (11.7th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 3.5 (Low). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:L/A:N.
Affected products
- N/a Classroombookings — versions 2.0, 2.1, 2.2
Weakness classification (CWE)
References
- VDB-358027 | classroombookings User Display Name layout.php read cross site scripting (technical-description, vdb-entry)
- VDB-358027 | CTI Indicators (IOB, IOC, TTP, IOA) (signature, permissions-required)
- Submit #786154 | Craig A Rodway classroombookings 2.16.4 Stored Cross-Site Scripting (XSS) (third-party-advisory)
- cna@vuldb.com (exploit)
- cna@vuldb.com (issue-tracking, patch)
- cna@vuldb.com (patch)
- cna@vuldb.com (patch)
- cna@vuldb.com (product)
Frequently asked questions
- What is CVE-2026-6486?
- CVE-2026-6486 is a low-severity vulnerability in Classroombookings, classified under Cross-site Scripting. CVSS score: 3.5/10. Published 2026-04-17.
- How severe is CVE-2026-6486?
- Low severity. CVSS v3 base score is 3.5 out of 10.