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CVE-2026-6486 Detail

Description

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 results in cross site scripting. The attack can be executed remotely. The exploit is now public and may be used. Upgrading to version 2.17.1 will fix this issue. The patch is identified as 69c3c9bb8a17f1ea572d8f4502bf238f0214c98a. It is suggested to upgrade the affected component. The vendor was contacted early, responded in a very professional manner and quickly released a fixed version of the affected product.


Metrics

NVD enrichment efforts reference publicly available information to associate vector strings. CVSS information contributed by other sources is also displayed.
CVSS 4.0 Severity and Vector Strings:

NIST CVSS score
NIST: NVD
N/A
NVD assessment not yet provided.

Nist CVSS score does not match with CNA score
CNA:  VulDB
CVSS-BT 5.1 MEDIUM
Vector:  CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:P

References to Advisories, Solutions, and Tools

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URL Source(s) Tag(s)
https://github.com/classroombookings/classroombookings/ VulDB
https://github.com/classroombookings/classroombookings/commit/69c3c9bb8a17f1ea572d8f4502bf238f0214c98a VulDB
https://github.com/classroombookings/classroombookings/pull/83 VulDB
https://github.com/classroombookings/classroombookings/releases/tag/v2.17.1 VulDB
https://github.com/sudo-secure/security-research/blob/main/classroombookings/stored-xss/PoC.md VulDB
https://vuldb.com/submit/786154 VulDB
https://vuldb.com/vuln/358027 VulDB
https://vuldb.com/vuln/358027/cti VulDB

Weakness Enumeration

CWE-ID CWE Name Source
CWE-79 Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') VulDB  
CWE-94 Improper Control of Generation of Code ('Code Injection') VulDB  

Change History

1 change records found show changes

Quick Info

CVE Dictionary Entry:
CVE-2026-6486
NVD Published Date:
04/17/2026
NVD Last Modified:
04/17/2026
Source:
VulDB