What is CVE-2021-29979?

CVE-2021-29979 is a medium-severity vulnerability in Mozilla Hubs Cloud, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2021-08-02.

How severe is CVE-2021-29979?

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

XSS in Mozilla Hubs Cloud

CVE-2021-29979

Hubs Cloud allows users to download shared content, specifically HTML and JS, which could allow javascript execution in the Hub Cloud instance’s primary hosting domain.*. This vulnerability affects Hubs Cloud < mozillareality/reticulum/1.0…

Vulnerability class: XSS (Cross-Site Scripting)

EPSS: 0.007 (47.2th 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

Mozilla Hubs Cloud — versions unspecified
Mozilla Hubs_cloud

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

References

security@mozilla.org (x_refsource_MISC, Vendor Advisory)
security@mozilla.org (Permissions Required, x_refsource_MISC)

Frequently asked questions

What is CVE-2021-29979?: CVE-2021-29979 is a medium-severity vulnerability in Mozilla Hubs Cloud, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2021-08-02.
How severe is CVE-2021-29979?: Medium severity. CVSS v3 base score is 6.1 out of 10.