WordPress BigBlueButton Plugin <= 3.0.0-beta.4 is vulnerable to Cross Site Scripting (XSS)
Priority LOW 31CWE-79Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- Required
- Attack complexity
- Low
- Impact type
- Cross-site scripting
- Confidentiality · integrity · availability
- Low · Low · Low
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-79.
Summary
Unauth. Reflected Cross-Site Scripting (XSS) vulnerability in Blindside Networks BigBlueButton plugin <= 3.0.0-beta.4 versions.
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00374 31st percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| blindsidenetworks | BigBlueButton | up to 3.0.0-beta.4 | — | No fix listed | CNA |
- BigBlueButton Vendorblindsidenetworks Affected up to 3.0.0-beta.4 Fixed in — No fix listed CNA
CPE configurations NVD · 5
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:blindsidenetworks:bigbluebutton:*:*:*:*:*:wordpress:*:* | before 3.0.0 | Vulnerable | blindsidenetworks |
| cpe:2.3:a:blindsidenetworks:bigbluebutton:3.0.0:beta1:*:*:*:wordpress:*:* | 3.0.0 beta1 | Vulnerable | blindsidenetworks |
| cpe:2.3:a:blindsidenetworks:bigbluebutton:3.0.0:beta2:*:*:*:wordpress:*:* | 3.0.0 beta2 | Vulnerable | blindsidenetworks |
| cpe:2.3:a:blindsidenetworks:bigbluebutton:3.0.0:beta3:*:*:*:wordpress:*:* | 3.0.0 beta3 | Vulnerable | blindsidenetworks |
| cpe:2.3:a:blindsidenetworks:bigbluebutton:3.0.0:beta4:*:*:*:wordpress:*:* | 3.0.0 beta4 | Vulnerable | blindsidenetworks |
- cpe:2.3:a:blindsidenetworks:bigbluebutton:*:*:*:*:*:wordpress:*:* Versions before 3.0.0 Vulnerable ·blindsidenetworks
- cpe:2.3:a:blindsidenetworks:bigbluebutton:3.0.0:beta1:*:*:*:wordpress:*:* Versions 3.0.0 beta1 Vulnerable ·blindsidenetworks
- cpe:2.3:a:blindsidenetworks:bigbluebutton:3.0.0:beta2:*:*:*:wordpress:*:* Versions 3.0.0 beta2 Vulnerable ·blindsidenetworks
- cpe:2.3:a:blindsidenetworks:bigbluebutton:3.0.0:beta3:*:*:*:wordpress:*:* Versions 3.0.0 beta3 Vulnerable ·blindsidenetworks
- cpe:2.3:a:blindsidenetworks:bigbluebutton:3.0.0:beta4:*:*:*:wordpress:*:* Versions 3.0.0 beta4 Vulnerable ·blindsidenetworks
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2023-39991
- 2026-10-03 Alias added: GHSA-fxwp-phjw-33xf
References
Sources
- CVE-2023-39991 · CVE Program
- CVE-2023-39991 · NVD
- FIRST EPSS
- GHSA-fxwp-phjw-33xf · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences