CVE-2023-43797: bigbluebutton

csirt@kutim:~/threat-intel/cve/CVE-2023-43797

CVSS 5.4 · Medium EPSS 0,42%

Kerentanan Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') pada bigbluebutton. Skor CVSS 3.1 5.4 (Medium) menurut NVD.

Deskripsi (NVD)

BigBlueButton is an open-source virtual classroom. Prior to versions 2.6.11 and 2.7.0-beta.3, Guest Lobby was vulnerable to cross-site scripting when users wait to enter the meeting due to inserting unsanitized messages to the element using unsafe innerHTML. Text sanitizing was added for lobby messages starting in versions 2.6.11 and 2.7.0-beta.3. There are no known workarounds.

Rincian

Terbit di NVD: 30 Oktober 2023
Terakhir diubah: 17 Juni 2026
Status NVD: Modified
CVSS 3.1: 5.4 (Medium), sumber NVD
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N · uraikan di kalkulator
Jenis kelemahan (CWE): CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
EPSS (30 hari): 0,42% peluang dieksploitasi; lebih tinggi dari 34,3% CVE lain

Produk dan versi terdampak

Vendor	Produk	Versi terdampak
bigbluebutton	bigbluebutton	Semua versi sebelum 2.6.11
bigbluebutton	bigbluebutton	Versi 2.7.0 alpha1
bigbluebutton	bigbluebutton	Versi 2.7.0 alpha2
bigbluebutton	bigbluebutton	Versi 2.7.0 alpha3
bigbluebutton	bigbluebutton	Versi 2.7.0 beta1
bigbluebutton	bigbluebutton	Versi 2.7.0 beta2

> Data dari konfigurasi CPE di NVD.

Referensi dan perbaikan

https://github.com/bigbluebutton/bigbluebutton/commit/304bc851a00558f99a908880f4ac44234a074c9d patch · advisory pihak ketiga
https://github.com/bigbluebutton/bigbluebutton/pull/18392 advisory pihak ketiga
https://github.com/bigbluebutton/bigbluebutton/security/advisories/GHSA-v6wg-q866-h73x advisory pihak ketiga

Sumber: NVD · CVE.org · EPSS. Halaman ini disusun otomatis dari data tersebut; pembaruan terakhir 5 Okt 2026, 20:10 WITA. Kalau sistem di Perangkat Daerah memakai produk ini dan butuh bantuan, laporkan lewat kanal pelaporan.