CVE-2022-31064— Cross site scripting in username that will trigger by sending chat
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I. Basic Information for CVE-2022-31064
Vulnerability Information
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Vulnerability Title
Cross site scripting in username that will trigger by sending chat
Source: NVD (National Vulnerability Database)
Vulnerability Description
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.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:L
Source: NVD (National Vulnerability Database)
Vulnerability Type
在Web页面生成时对输入的转义处理不恰当(跨站脚本)
Source: NVD (National Vulnerability Database)
Vulnerability Title
BigBlueButton 跨站脚本漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
BigBlueButton是BigBlueButton社区的一套开源的Web会议系统。 BigBlueButton 2.4.8 之前版本和 2.5.0 之前版本存在跨站脚本漏洞，该漏洞源于启用私人聊天的会议中的用户容易受到跨站脚本攻击。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)
Affected Products
| Vendor | Product | Affected Versions | CPE | Subscribe |
|---|---|---|---|---|
| bigbluebutton | bigbluebutton | < 2.4.8 | - |
II. Public POCs for CVE-2022-31064
| # | POC Description | Source Link | Shenlong Link |
|---|
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- https://github.com/bigbluebutton/bigbluebutton/pull/15090x_refsource_MISC
- https://github.com/bigbluebutton/bigbluebutton/pull/15067x_refsource_MISC
- https://pentests.nl/pentest-blog/stored-xss-in-bigbluebutton/x_refsource_MISC
- https://nvd.nist.gov/vuln/detail/CVE-2022-31064
Same Patch Batch · bigbluebutton · 2022-06-27 · 3 CVEs total
| CVE-2022-31065 | 6.5 MEDIUM | Cross site scripting vulnerability for private chat in bigbluebutton |
| CVE-2022-31039 | 4.3 MEDIUM | Improper privilege management - Anyone can view room settings in GreenLight |
IV. Related Vulnerabilities
Same product: bigbluebutton
- CVE-2026-41127
BigBlueButton's missing authorization allows viewer to injec - CVE-2026-41126
BigBlueButton has Open Redirect through bigbluebutton/api/jo - CVE-2026-27736
BigBlueButton has Open Redirect vulnerability in ApiControll - CVE-2026-27467
BigBlueButton: Audio from participants to the server initial - CVE-2026-27466
BigBlueButton: Exposed ClamAV port enables Denial of Service
Same vendor: bigbluebutton
- CVE-2026-41127
BigBlueButton's missing authorization allows viewer to injec - CVE-2026-41126
BigBlueButton has Open Redirect through bigbluebutton/api/jo - CVE-2026-27736
BigBlueButton has Open Redirect vulnerability in ApiControll - CVE-2026-27467
BigBlueButton: Audio from participants to the server initial - CVE-2026-27466
BigBlueButton: Exposed ClamAV port enables Denial of Service
Same weakness: CWE-79
- CVE-2026-8262
Devs Palace ERP Online chart-save cross site scripting - CVE-2026-8256
Devs Palace ERP Online mr-save cross site scripting - CVE-2026-8255
Devs Palace ERP Online add_new_customer cross site scripting - CVE-2026-8254
Devs Palace ERP Online sales_save cross site scripting - CVE-2026-8253
Devs Palace ERP Online purchase_save cross site scripting
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