CVE-2022-26497

Katalog CVE

CVSS 5.4 · Medium EPSS 0,85%

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

Deskripsi (NVD)

BigBlueButton Greenlight 2.11.1 allows XSS. A threat actor could have a username containing a JavaScript payload. The payload gets executed in the browser of the victim in the "Share room access" dialog if the victim has shared access to the particular room with the attacker previously.

Rincian

Terbit di NVD

2 Juni 2022

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)

0,85% peluang dieksploitasi; lebih tinggi dari 56,9% CVE lain

Produk dan versi terdampak

> Data dari konfigurasi CPE di NVD.

Referensi dan perbaikan

• https://www.mgm-sp.com/en/cve-2022-26497-bigbluebutton-greenlight-xss/ patch · advisory pihak ketiga
• https://github.com/bigbluebutton/greenlight/blob/master/app/assets/javascripts/room.js#L352 exploit · advisory pihak ketiga
• http://packetstormsecurity.com/files/172143/Shannon-Baseband-acfg-pcfg-SDP-Attribute-Memory-Corruption.html