CVE-2021-39205

DOM-based XSS/Content Spoofing via Prototype Pollution

CVSS 6.8 MEDIUMEPSS 1.2%CWE-1321 CWE-79

Vexday Risk Score

13Low

SSVC decision (CISA)

Track

No exploitation signal → monitor

CVSS 6.8EPSS 1.2%KEV nãoPoC —Nuclei —Metasploit —Patch —

Lifecycle

15 Sep 2021Published on NVD

Recommendation: Monitor — no exploitation signal at the moment.

Jitsi Meet is an open source video conferencing application. Versions prior to 2.0.6173 are vulnerable to client-side cross-site scripting via injecting properties into JSON objects that were not properly escaped. There are no known incidents related to this vulnerability being exploited in the wild. This issue is fixed in Jitsi Meet version 2.0.6173. There are no known workarounds aside from upgrading.

CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:N

Affected products

jitsi · jitsi-meet

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References

https://github.com/jitsi/jitsi-meet/pull/9320 https://github.com/jitsi/jitsi-meet/pull/9404 https://github.com/jitsi/jitsi-meet/security/advisories/GHSA-6582-8v9q-v3fg https://hackerone.com/reports/1214493