CVE-2023-42803
Medium
Description
BigBlueButton is an open-source virtual classroom. BigBlueButton prior to version 2.6.0-beta.2 is vulnerable to unrestricted file upload, where the insertDocument API call does not validate the given file extension before saving the file, and does not remove it in case of validation failures. BigBlueButton 2.6.0-beta.2 contains a patch. There are no known workarounds.
SeverityMedium
CVSS5.3
Exploit probability—
ProductBigbluebutton
PublishedOct 30, 2023
First seenOct 30, 2023
Weakness typeCWE-434Unrestricted upload of dangerous file type
How to fix
Sources list no fixed version or patch link for this vulnerability.
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| bigbluebutton bigbluebutton | v ≤ 2.5.18, 2.6.0 | — |
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