What is CVE-2021-26812?

CVE-2021-26812 is a medium-severity vulnerability in Jitsi Meet, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2021-04-14.

How severe is CVE-2021-26812?

Medium severity. CVSS v3 base score is 6.1 out of 10.

Is CVE-2021-26812 known to be exploited?

3 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

XSS in Jitsi Meet

CVE-2021-26812

Cross Site Scripting (XSS) in the Jitsi Meet 2.7 through 2.8.3 plugin for Moodle via the "sessionpriv.php" module. This allows attackers to craft a malicious URL, which when clicked on by users, can inject javascript code to be run by the…

Vulnerability class: XSS (Cross-Site Scripting)

EPSS: 0.975 (99.9th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.1 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N.

Affected products

Jitsi Meet
N/a — versions n/a

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

Public proof-of-concept exploits

References

cve@mitre.org (Exploit, Third Party Advisory, x_refsource_MISC, Issue Tracking)

Frequently asked questions

What is CVE-2021-26812?: CVE-2021-26812 is a medium-severity vulnerability in Jitsi Meet, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2021-04-14.
How severe is CVE-2021-26812?: Medium severity. CVSS v3 base score is 6.1 out of 10.
Is CVE-2021-26812 known to be exploited?: 3 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.