Security readout for executives and security teams
BigBlueButton deployments before the fixed releases could let a meeting participant trigger script execution in another attendee’s browser through the chat interface. This is not a server takeover, but it can affect confidentiality, integrity, and availability in a live meeting context. Exposure is likely limited to organizations running BigBlueButton versions before 2.4.8, especially where private chat is enabled and untrusted or external participants can join meetings. Treat as a near-term patching item for conferencing environments, not an emergency unless exposed to untrusted participants. The business risk is session-level compromise of meeting users through browser-side script execution. Mitigation focus: Upgrade BigBlueButton to 2.4.8, 2.5.0, or a later supported fixed release.; Check the BigBlueButton security advisory for current vendor guidance.; Do not rely on a workaround; the advisory states none is known..
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
Conservative CVE-to-ATT&CK context
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ATT&CK lookup starting points
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CWE-79: User-session and phishing behavior lookup
Client-side and session-facing weaknesses should be reviewed alongside initial-access and user-execution behaviors. Open the exact CWE lookup page first, then review the ATT&CK searches from that MITRE weakness context. This is a Glexia lookup hint, not an official ATT&CK mapping.
Open ATT&CK lookupCVE-2022-31064 mapping review
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Open ATT&CK lookup- Severity
- Medium
- CVSS
- 6.5 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:L
CNA and ADP enrichment extracted from CVE v5
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CVSS vector scores
1 official scoreWe collect every scored CVSS vector available in the official CNA and ADP containers. When more than one version is present, the table keeps the source vectors side by side instead of collapsing them into the highest score.
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:L2.33.7Primary CVE scoreVulnerability scoring details
Base CVSS 3.1 score
6.5MediumVector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:L
Source materials
- CVE List V5 sourceCVE List V5
- https://github.com/bigbluebutton/bigbluebutton/pull/15090CVE reference · x_refsource_MISC
- https://github.com/bigbluebutton/bigbluebutton/security/advisories/GHSA-hwv2-5pf5-hr87CVE reference · x_refsource_CONFIRM
- https://github.com/bigbluebutton/bigbluebutton/pull/15067CVE reference · x_refsource_MISC
- https://pentests.nl/pentest-blog/stored-xss-in-bigbluebutton/CVE reference · x_refsource_MISC
Products and packages named in the record
CWE details
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.