CVE-2021-29979

6.1 mediumEPSS 0.7%

Medium (6.1) in mozilla hubs cloud. EPSS 0.7% chance of exploitation in the next 30 days.

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/1.0.1/20210618012634.

Severity

CVSS 3.1

6.1 medium

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

EPSS: 0.7% chance of exploitation in the next 30 days; higher than 51% of CVEs (scores of 2026-10-31)
CWE: CWE-79
Published: 2021-08-02
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

mozilla:hubs_cloud

References

https://bugzilla.mozilla.org/show_bug.cgi?id=1712495
https://www.mozilla.org/security/advisories/mfsa2021-32/
https://bugzilla.mozilla.org/show_bug.cgi?id=1712495
https://www.mozilla.org/security/advisories/mfsa2021-32/

Check your stack JSON