6.8
MEDIUM
CVE-2021-39205
Jitsi Meet Client-Side Cross-Site Scripting Vulnerability
Description

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.

INFO

Published Date :

Sept. 15, 2021, 6:15 p.m.

Last Modified :

Sept. 10, 2022, 2:45 a.m.

Remotely Exploitable :

Yes !

Impact Score :

5.2

Exploitability Score :

1.6
Affected Products

The following products are affected by CVE-2021-39205 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

ID Vendor Product Action
1 8x8 jitsi_meet
References to Advisories, Solutions, and Tools

Here, you will find a curated list of external links that provide in-depth information, practical solutions, and valuable tools related to CVE-2021-39205.

URL Resource
https://github.com/jitsi/jitsi-meet/pull/9320 Patch Third Party Advisory
https://github.com/jitsi/jitsi-meet/pull/9404 Patch Third Party Advisory
https://github.com/jitsi/jitsi-meet/security/advisories/GHSA-6582-8v9q-v3fg Third Party Advisory
https://hackerone.com/reports/1214493 Permissions Required

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2021-39205 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2021-39205 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • CVE Modified by [email protected]

    May. 14, 2024

    Action Type Old Value New Value
  • Modified Analysis by [email protected]

    Sep. 10, 2022

    Action Type Old Value New Value
    Added CWE NIST CWE-79
    Added CWE NIST CWE-1321
  • CVE Modified by [email protected]

    May. 12, 2022

    Action Type Old Value New Value
    Added CWE GitHub, Inc. CWE-1321
  • Initial Analysis by [email protected]

    Sep. 28, 2021

    Action Type Old Value New Value
    Added CVSS V2 Metadata Victim must voluntarily interact with attack mechanism
    Added CVSS V2 NIST (AV:N/AC:M/Au:N/C:N/I:P/A:N)
    Added CVSS V3.1 NIST AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
    Changed Reference Type https://github.com/jitsi/jitsi-meet/pull/9320 No Types Assigned https://github.com/jitsi/jitsi-meet/pull/9320 Patch, Third Party Advisory
    Changed Reference Type https://github.com/jitsi/jitsi-meet/pull/9404 No Types Assigned https://github.com/jitsi/jitsi-meet/pull/9404 Patch, Third Party Advisory
    Changed Reference Type https://github.com/jitsi/jitsi-meet/security/advisories/GHSA-6582-8v9q-v3fg No Types Assigned https://github.com/jitsi/jitsi-meet/security/advisories/GHSA-6582-8v9q-v3fg Third Party Advisory
    Changed Reference Type https://hackerone.com/reports/1214493 No Types Assigned https://hackerone.com/reports/1214493 Permissions Required
    Added CPE Configuration OR *cpe:2.3:a:8x8:jitsi_meet:*:*:*:*:*:*:*:* versions up to (excluding) 2.0.6173
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.
Exploit Prediction

EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.

0.09 }} 0.00%

score

0.37937

percentile

CVSS31 - Vulnerability Scoring System
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability