CVE-2023-42803 is an unrestricted file upload vulnerability affecting BigBlueButton versions prior to 2.6.0-beta.2. The insertDocument API call fails to validate file extensions, allowing attackers to upload arbitrary files. With a CVSS score of 8.8 (High), this vulnerability poses a significant risk, enabling remote attackers with low privileges to achieve high impact on confidentiality, integrity, and availability. There is no known exploit code or active exploitation, and it has received minimal community discussion or media coverage.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
<= 2.5.18CPE matchmatch criteria | cpe:2.3:a:bigbluebutton:bigbluebutton:*:*:*:*:*:*:*:* | ||
2.6.0CPE matchmatch criteria | cpe:2.3:a:bigbluebutton:bigbluebutton:2.6.0:alpha1:*:*:*:*:*:* | ||
2.6.0CPE matchmatch criteria | cpe:2.3:a:bigbluebutton:bigbluebutton:2.6.0:alpha2:*:*:*:*:*:* | ||
2.6.0CPE matchmatch criteria | cpe:2.3:a:bigbluebutton:bigbluebutton:2.6.0:alpha3:*:*:*:*:*:* | ||
2.6.0CPE matchmatch criteria | cpe:2.3:a:bigbluebutton:bigbluebutton:2.6.0:alpha4:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H
The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.3 Bluesky, 0.1 Mastodon, and 0.2 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.
Remediation records are not available for this CVE.