---
cve: "CVE-2022-26497"
severity: "LOW"
cvss: 3.1
epss: "0.8%"
vendor: "n/a"
kev: false
exploited: false
published: "2022-06-02 18:15:09"
tags: [cve, security, low]
source: tsecurity.de CVE-Dossier
exported: "2026-09-20T11:50:41+02:00"
---

# CVE-2022-26497

> 3.1 LOW · 🧪 PoC

## Beschreibung

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.

## Referenzen

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

---
_Exportiert aus dem [tsecurity.de CVE-Dossier](https://tsecurity.de/cve?cve=CVE-2022-26497) · Datenquellen: EUVD (ENISA), NVD, OSV, CISA KEV, FIRST EPSS, Exploit-DB, BSI BITS_