CVE-2026-6486
classroombookings User Display Name layout.php read cross site scripting
Vexday Risk Score
33Atención
Decisión SSVC (CISA)
Attend
PoC disponible → seguir de cerca
Madurez del exploit
Prueba de concepto
Existe prueba de concepto pública, pero aún no automatizada.
CVSS 5.1EPSS 0.2%KEV nãoPoC públicaNuclei —Metasploit —Patch referenciado
Ciclo de vida
17 abr 2026Publicada en NVD
Recomendación: Planificar corrección próxima — ya existe PoC pública.
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.
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
Productos afectados
n/a · classroombookingsPoCs públicas encontradas — 1
cve_referencegithub.com/sudo-secure/security-research/blob/main/classroombookings/stored-xss/PoC.mdno verificado⚠ Recursos públicos, para evaluar la exposición de sistemas que controlas o estás autorizado a probar. Prueba solo con autorización.
Referencias
https://github.com/classroombookings/classroombookings/https://github.com/classroombookings/classroombookings/commit/69c3c9bb8a17f1ea572d8f4502bf238f0214c98ahttps://github.com/classroombookings/classroombookings/pull/83https://github.com/classroombookings/classroombookings/releases/tag/v2.17.1https://github.com/sudo-secure/security-research/blob/main/classroombookings/stored-xss/PoC.mdhttps://vuldb.com/submit/786154https://vuldb.com/vuln/358027https://vuldb.com/vuln/358027/cti