Vulnerability Details CVE-2023-43797
BigBlueButton is an open-source virtual classroom. Prior to versions 2.6.11 and 2.7.0-beta.3, Guest Lobby was vulnerable to cross-site scripting when users wait to enter the meeting due to inserting unsanitized messages to the element using unsafe innerHTML. Text sanitizing was added for lobby messages starting in versions 2.6.11 and 2.7.0-beta.3. There are no known workarounds.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.001
EPSS Ranking 22.3%
CVSS Severity
CVSS v3 Score 6.3
Products affected by CVE-2023-43797
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cpe:2.3:a:bigbluebutton:bigbluebutton:-
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cpe:2.3:a:bigbluebutton:bigbluebutton:0.7
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cpe:2.3:a:bigbluebutton:bigbluebutton:0.71
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cpe:2.3:a:bigbluebutton:bigbluebutton:0.8
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cpe:2.3:a:bigbluebutton:bigbluebutton:0.81
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cpe:2.3:a:bigbluebutton:bigbluebutton:0.9.0
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cpe:2.3:a:bigbluebutton:bigbluebutton:0.9.1
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cpe:2.3:a:bigbluebutton:bigbluebutton:0.9.2
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cpe:2.3:a:bigbluebutton:bigbluebutton:1.0.0
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cpe:2.3:a:bigbluebutton:bigbluebutton:1.1.0
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cpe:2.3:a:bigbluebutton:bigbluebutton:2.0
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cpe:2.3:a:bigbluebutton:bigbluebutton:2.2.0
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cpe:2.3:a:bigbluebutton:bigbluebutton:2.2.1
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cpe:2.3:a:bigbluebutton:bigbluebutton:2.2.10
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cpe:2.3:a:bigbluebutton:bigbluebutton:2.2.11
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cpe:2.3:a:bigbluebutton:bigbluebutton:2.2.12
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cpe:2.3:a:bigbluebutton:bigbluebutton:2.2.14
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cpe:2.3:a:bigbluebutton:bigbluebutton:2.2.15
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cpe:2.3:a:bigbluebutton:bigbluebutton:2.2.16
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cpe:2.3:a:bigbluebutton:bigbluebutton:2.2.17
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cpe:2.3:a:bigbluebutton:bigbluebutton:2.2.18
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cpe:2.3:a:bigbluebutton:bigbluebutton:2.2.19
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cpe:2.3:a:bigbluebutton:bigbluebutton:2.2.2
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cpe:2.3:a:bigbluebutton:bigbluebutton:2.2.20
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cpe:2.3:a:bigbluebutton:bigbluebutton:2.2.21
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cpe:2.3:a:bigbluebutton:bigbluebutton:2.2.22
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cpe:2.3:a:bigbluebutton:bigbluebutton:2.2.23
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cpe:2.3:a:bigbluebutton:bigbluebutton:2.2.24
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cpe:2.3:a:bigbluebutton:bigbluebutton:2.2.25
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cpe:2.3:a:bigbluebutton:bigbluebutton:2.2.26
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cpe:2.3:a:bigbluebutton:bigbluebutton:2.2.27
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cpe:2.3:a:bigbluebutton:bigbluebutton:2.2.28
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cpe:2.3:a:bigbluebutton:bigbluebutton:2.2.29
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cpe:2.3:a:bigbluebutton:bigbluebutton:2.2.3
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cpe:2.3:a:bigbluebutton:bigbluebutton:2.2.30
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cpe:2.3:a:bigbluebutton:bigbluebutton:2.2.31
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cpe:2.3:a:bigbluebutton:bigbluebutton:2.2.4
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cpe:2.3:a:bigbluebutton:bigbluebutton:2.2.5
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cpe:2.3:a:bigbluebutton:bigbluebutton:2.2.6
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cpe:2.3:a:bigbluebutton:bigbluebutton:2.2.7
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cpe:2.3:a:bigbluebutton:bigbluebutton:2.2.8
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cpe:2.3:a:bigbluebutton:bigbluebutton:2.2.9
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cpe:2.3:a:bigbluebutton:bigbluebutton:2.3
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cpe:2.3:a:bigbluebutton:bigbluebutton:2.3.0
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cpe:2.3:a:bigbluebutton:bigbluebutton:2.3.1
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cpe:2.3:a:bigbluebutton:bigbluebutton:2.3.10
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cpe:2.3:a:bigbluebutton:bigbluebutton:2.3.11
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cpe:2.3:a:bigbluebutton:bigbluebutton:2.3.12
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cpe:2.3:a:bigbluebutton:bigbluebutton:2.3.13
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cpe:2.3:a:bigbluebutton:bigbluebutton:2.3.14
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cpe:2.3:a:bigbluebutton:bigbluebutton:2.3.15
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cpe:2.3:a:bigbluebutton:bigbluebutton:2.3.16
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cpe:2.3:a:bigbluebutton:bigbluebutton:2.3.17
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cpe:2.3:a:bigbluebutton:bigbluebutton:2.3.2
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cpe:2.3:a:bigbluebutton:bigbluebutton:2.3.3
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cpe:2.3:a:bigbluebutton:bigbluebutton:2.3.4
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cpe:2.3:a:bigbluebutton:bigbluebutton:2.3.5
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cpe:2.3:a:bigbluebutton:bigbluebutton:2.3.6
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cpe:2.3:a:bigbluebutton:bigbluebutton:2.3.7
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cpe:2.3:a:bigbluebutton:bigbluebutton:2.3.8
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cpe:2.3:a:bigbluebutton:bigbluebutton:2.3.9
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cpe:2.3:a:bigbluebutton:bigbluebutton:2.4
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cpe:2.3:a:bigbluebutton:bigbluebutton:2.4.0
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cpe:2.3:a:bigbluebutton:bigbluebutton:2.4.1
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cpe:2.3:a:bigbluebutton:bigbluebutton:2.4.2
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cpe:2.3:a:bigbluebutton:bigbluebutton:2.4.3
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cpe:2.3:a:bigbluebutton:bigbluebutton:2.4.4
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cpe:2.3:a:bigbluebutton:bigbluebutton:2.4.5
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cpe:2.3:a:bigbluebutton:bigbluebutton:2.4.6
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cpe:2.3:a:bigbluebutton:bigbluebutton:2.4.7
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cpe:2.3:a:bigbluebutton:bigbluebutton:2.4.9
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cpe:2.3:a:bigbluebutton:bigbluebutton:2.5
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cpe:2.3:a:bigbluebutton:bigbluebutton:2.5.1
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cpe:2.3:a:bigbluebutton:bigbluebutton:2.5.10
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cpe:2.3:a:bigbluebutton:bigbluebutton:2.5.11
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cpe:2.3:a:bigbluebutton:bigbluebutton:2.5.12
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cpe:2.3:a:bigbluebutton:bigbluebutton:2.5.14
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cpe:2.3:a:bigbluebutton:bigbluebutton:2.5.15
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cpe:2.3:a:bigbluebutton:bigbluebutton:2.5.16
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cpe:2.3:a:bigbluebutton:bigbluebutton:2.5.17
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cpe:2.3:a:bigbluebutton:bigbluebutton:2.5.18
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cpe:2.3:a:bigbluebutton:bigbluebutton:2.5.2
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cpe:2.3:a:bigbluebutton:bigbluebutton:2.5.3
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cpe:2.3:a:bigbluebutton:bigbluebutton:2.5.4
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cpe:2.3:a:bigbluebutton:bigbluebutton:2.5.5
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cpe:2.3:a:bigbluebutton:bigbluebutton:2.5.6
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cpe:2.3:a:bigbluebutton:bigbluebutton:2.5.7
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cpe:2.3:a:bigbluebutton:bigbluebutton:2.5.8
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cpe:2.3:a:bigbluebutton:bigbluebutton:2.5.9
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cpe:2.3:a:bigbluebutton:bigbluebutton:2.6.0
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cpe:2.3:a:bigbluebutton:bigbluebutton:2.6.1
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cpe:2.3:a:bigbluebutton:bigbluebutton:2.6.10
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cpe:2.3:a:bigbluebutton:bigbluebutton:2.6.2
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cpe:2.3:a:bigbluebutton:bigbluebutton:2.6.3
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cpe:2.3:a:bigbluebutton:bigbluebutton:2.6.4
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cpe:2.3:a:bigbluebutton:bigbluebutton:2.6.5
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cpe:2.3:a:bigbluebutton:bigbluebutton:2.6.6
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cpe:2.3:a:bigbluebutton:bigbluebutton:2.6.7
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cpe:2.3:a:bigbluebutton:bigbluebutton:2.6.8
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cpe:2.3:a:bigbluebutton:bigbluebutton:2.6.9
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cpe:2.3:a:bigbluebutton:bigbluebutton:2.7.0