TI-2023-06666 Aliases CVE-2023-7296 GHSA-cxgh-hg8w-qcg5

BigBlueButton <= 3.0.0-beta.4 - Authenticated (Author+) Stored Cross-Site Scripting

LOW 28CWE-79Published 2024-10-16 · Updated 2026-04-08

Key facts

Attack vector: Network
Privileges required: Low
User interaction: None
Attack complexity: Low
Impact type: Cross-site scripting
Confidentiality · integrity · availability: Low · Low · None
Fix status: No fix listed

Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-79.

Summary

The BigBlueButton plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the the moderator code and viewer code fields in versions up to, and including, 3.0.0-beta.4 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers with author privileges or higher to inject arbitrary web scripts in pages that execute if they can successfully trick a user into performing an action such as clicking on a link.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV

EPSS 0.0029 21st percentileScored 2026-11-08

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

Remediation

No fixed version listed by the sources yet.

Timeline

2026-10-02 Threatist record created from CVE-2023-7296
2026-10-03 Alias added: GHSA-cxgh-hg8w-qcg5

References

Other 2

TI-2023-20883 WordPress BigBlueButton Plugin <= 3.0.0-beta.4 is vulnerable to Cross Site Scripting (XSS) CVSS 3.1HIGH 7.1
TI-2026-22097 BigBlueButton has Stored XSS in bbb-playback replay CVSS 3.1MEDIUM 6.5

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences