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 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.

• CWE-79
• CWE-94

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

Published

Apr 17, 2026

Last Modified

Jun 17, 2026

Status

Deferred

• How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
• Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
• PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
• AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.

• CVE-2026-64831FFmpeg versions 8.0 through 8.1.2 contains a stack buffer ov…8.8
• CVE-2026-64832FFmpeg versions 4.4 through 8.1.2 contain a double-free vuln…8.8
• CVE-2026-64833FFmpeg versions 0.7.1 through 8.1.2 contain an out-of-bounds…7.1
• CVE-2026-64834FFmpeg versions 0.6.3 through 8.1.2 contain an infinite loop…8.7
• CVE-2026-64835FFmpeg versions 4.4 through 8.1.2 contain an out-of-bounds m…8.8
• CVE-2026-6484In an UEFI, Lack of verified boot to certain FV may cause ar…8.2
• CVE-2026-64863goshs is a feature-rich single-binary file server for red te…9.1
• CVE-2026-6487A flaw has been found in Qihui jtbc5 CMS 5.0.3.6. Affected i…4.3
• CVE-2026-64870MaxKB is an open-source AI assistant for enterprise. In vers…5.3
• CVE-2026-64871Joomla Extension - regularlabs.com - Inconsistent CSRF token…5.4
• CVE-2026-64872Joomla Extension - regularlabs.com - Path traversal in Cache…6.5
• CVE-2026-64873Joomla Extension - regularlabs.com - SSRF in Cache Cleaner P…9.8