{"uuid": "72a7448b-1153-4f0d-a85b-29d1fe795c2a", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2022-31064", "type": "seen", "source": "https://t.me/hacking_Attack/59731", "content": "Exploit Collector\nBigBlueButton 2.3 / 2.4.7 Cross Site Scripting\n\nhttps://4.bp.blogspot.com/-sHG2jViTb-c/WWlvSCf2XfI/AAAAAAAAINY/YxfxwjOK_o05QB9TpuqqysTdHaIb3yf8wCLcBGAs/s1600/h36.png \nBigBlueButton versions 2.3, prior to 2.4.8, and prior to 2.5.0 suffer from a persistent cross site scripting vulnerability.\n\nSHA-256 | c68ede95337b08934eceb60e7e3ded22f6717375681d84eac96231f4c47ee8b1\n\nDownload\nCVE-2022-31064 - Stored Cross-Site Scripting in BigBlueButton.\n\n=========================\n\nExploit Title: Stored Cross-Site Scripting (XSS) in BigBlueButton\n\nProduct: BigBlueButton\n\nVendor: BigBlueButton\n\nVulnerable Versions: 2.3, <2.4.8,\n\nTested Version: 2.4.7\n\nAdvisory Publication: Jun 22, 2022\n\nLatest Update: Jun 22, 2022\n\nVulnerability Type: Cross-Site Scripting [CWE-79]\n\nCVE Reference: CVE-2022-31064\n\nCVSS Severity: High\n\nCVSS Score: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N\nImpact score: 7.2\n\nCredit: Rick Verdoes & Danny de Weille (Hackify | pentests.nl)\n=========================\nI. BACKGROUND\n\n-------------------------\nBigBlueButton is an open source web conferencing system designed for online meetings and online learning. BigBlueButton is a tool used by instructors and teachers, which helps them access to Learning Management Systems, engagement tools and analytics.\n\nII. VULNERABILITY\n-------------------------\nUsers in meetings with private chat enabled are vulnerable to a cross site scripting attack in affected versions. The attack occurs when the attacker (with a XSS payload 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.\n\nIII. Proof of Concept\n-------------------------\n \n\nIV. References\n-------------------------\nSecurity advisory https://pentests.nl/pentest-blog/stored-xss-in-bigbluebutton/\nPatched on BigBlueButton 2.5 (https://github.com/bigbluebutton/bigbluebutton/pull/15067)\nPatched on BigBlueButton 2.4 (https://github.com/bigbluebutton/bigbluebutton/pull/15090)\n\nSource:packetstormsecurity.com\n\n___________________________ \n@hacking_Attack\n@Hacking_Video", "creation_timestamp": "2026-09-01T20:01:35.355482Z"}