XSS in 8x8 Jitsi Meet
CVE-2021-39205
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.
Vulnerability class: XSS (Cross-Site Scripting)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 6.8 (Medium). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:N.
EPSS exploit prediction
EPSS: 0.012 (67.7th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 68th percentile — 67.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.012 · newest: 0.012 · change: 0.000
Affected products
- 8x8 Jitsi Meet
- Jitsi Jitsi-Meet — versions < 2.0.6173
Weakness classification (CWE)
References
- github.com/jitsi/jitsi-meet/security/advisories/GHSA-6582-8v9q-v3fg (Third Party Advisory)
- github.com/jitsi/jitsi-meet/pull/9320 (Patch, Third Party Advisory)
- github.com/jitsi/jitsi-meet/pull/9404 (Patch, Third Party Advisory)
- hackerone.com/reports/1214493 (Permissions Required)
Frequently asked questions
- What is CVE-2021-39205?
- CVE-2021-39205 is a medium-severity vulnerability in 8x8 Jitsi Meet, classified under Cross-site Scripting. CVSS score: 6.8/10. Published 2021-09-15.
- How severe is CVE-2021-39205?
- Medium severity. CVSS v3 base score is 6.8 out of 10.