CVE-2022-31064

lowpriority · track · 22EPSS 0.013 · 70 %ileEUUS

grimoire priorityP3 · Track

Exploitable?

—

no known exploitation

Likely / severe?

1.27% (70th) EPSS

CVSS 2.1 · low

Is it mine?

5 products

Check your exposure

Who says so?

3 sources

cnnvd · enisa_euvd · nvd

EPSS · scored 2026-10-28

BigBlueButton is an open source web conferencing system. Users in meetings with private chat enabled are vulnerable to a cross site scripting attack in affected versions. The attack occurs when the attacker (with xss in the name) starts a chat. in the victim's client the JavaScript will be executed. This issue has been addressed in version 2.4.8 and 2.5.0. There are no known workarounds for this issue.

cvss

Technical severity, 0–10. One row per scoring source.

6.5

010

base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · low–medium · 2.1–6.5

v2.02.1lowAV:N/AC:H/Au:S/C:N/I:P/A:Nprimary · NVD / NIST USexploitability 3.9 · impact 2.9

v3.15.4mediumCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:Nprimary · NVD / NIST USexploitability 2.3 · impact 2.7

v3.16.5mediumCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:Lsecondary · ENISA EU

v3.16.5mediumCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:Lsecondary · security-advisories@github.comexploitability 2.3 · impact 3.7

v3.15mediumCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N/E:Usecondary · CVSS-BT (t0sche)

ssvc

A stakeholder decision — act, attend, or track — from exploitation and impact.

Exploitation: poc · Automatable: no · Technical Impact: partialcoordinatorcisa_ssvcUS

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-79US

affected products (5)

Products and version ranges known to be affected.

bigbluebutton bigbluebutton≤ < 2.4.8enisa_euvdEU
bigbluebutton bigbluebutton= 2.3.0nvdUScpe:2.3:a:bigbluebutton:bigbluebutton:*:*:*:*:*:*:*:*
bigbluebutton bigbluebutton2.4 → 2.4.8nvdUScpe:2.3:a:bigbluebutton:bigbluebutton:*:*:*:*:*:*:*:*
bigbluebutton bigbluebutton= 2.4.9nvdUScpe:2.3:a:bigbluebutton:bigbluebutton:*:*:*:*:*:*:*:*
bigbluebutton bigbluebutton= 2.5nvdUScpe:2.3:a:bigbluebutton:bigbluebutton:*:*:*:*:*:*:*:*

also known as (2)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd nvd NVD CVE.org MITRE

published 2022-06-27modified 2026-06-17

references (20)

External citations — patches, advisories, analysis.

scry

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