CVE-2022-31064
Estado: ModificadaMedia (5.4)—
BigBlueButton is an open source web conferencing system. Users in meetings with private chat enabled are vulnerable to a cross site scripting attack in affected versions. The attack occurs when the attacker (with xss in the name) starts a chat. in the victim's client the JavaScript will be executed. This issue has been addressed in version 2.4.8 and 2.5.0. There are no known workarounds for this issue.
CVSS
- Versión: 3.1
- Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
- Puntuación base: 5.4
Probabilidad de explotación (EPSS)
- Probabilidad de explotación en los próximos 30 días: 1.27%
- Percentil entre todas las CVEs puntuadas: 69
- Fecha de la puntuación: 6/10/2026
EPSS (Exploit Prediction Scoring System, de FIRST) estima la probabilidad de que una vulnerabilidad sea explotada en 30 días. Complementa a CVSS (impacto) y a CISA KEV (explotación confirmada).
Tecnologías afectadas (1)
CWE
- CWE-79
Referencias
- http://packetstormsecurity.com/files/167682/BigBlueButton-2.3-2.4.7-Cross-Site-Scripting.html
- http://seclists.org/fulldisclosure/2022/Jun/52
- https://github.com/bigbluebutton/bigbluebutton/pull/15067
- https://github.com/bigbluebutton/bigbluebutton/pull/15090
- https://github.com/bigbluebutton/bigbluebutton/security/advisories/GHSA-hwv2-5pf5-hr87
- https://pentests.nl/pentest-blog/stored-xss-in-bigbluebutton/
- http://packetstormsecurity.com/files/167682/BigBlueButton-2.3-2.4.7-Cross-Site-Scripting.html
- http://seclists.org/fulldisclosure/2022/Jun/52
- https://github.com/bigbluebutton/bigbluebutton/pull/15067
- https://github.com/bigbluebutton/bigbluebutton/pull/15090
- https://github.com/bigbluebutton/bigbluebutton/security/advisories/GHSA-hwv2-5pf5-hr87
- https://pentests.nl/pentest-blog/stored-xss-in-bigbluebutton/
JSON original (NVD)
Mostrar
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