TI-2021-10596 Aliases CVE-2021-29979 GHSA-523p-mj64-2h68

Cross-site scripting in Mozilla Hubs Cloud

LOW 28CWE-79Published 2021-08-02 · Updated 2024-08-03

Key facts

Attack vector: Network
Privileges required: None
User interaction: Required
Attack complexity: Low
Impact type: Cross-site scripting
Confidentiality · integrity · availability: Low · Low · None
Fix status: Fixed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-79.

Summary

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.

Why it matters now

EPSS 0.00668 52nd percentileScored 2026-11-07

Fix Fixed Hubs Cloud (Mozilla): mozillareality/reticulum/1.0.1/20210618012634

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

Vendor	Product	Affected versions	Fixed in	Status	Source
Mozilla	Hubs Cloud	before mozillareality/reticulum/1.0.1/20210618012634	mozillareality/reticulum/1.0.1/20210618012634	Patch available	CNA

Hubs Cloud VendorMozilla Affected before mozillareality/reticulum/1.0.1/20210618012634 Fixed in mozillareality/reticulum/1.0.1/20210618012634 Patch available CNA

CPE configurations NVD · 1

CPE	Versions	Role	Vendor
cpe:2.3:a:mozilla:hubs_cloud:-:::::::*	not specified by NVD	Vulnerable	Mozilla

cpe:2.3:a:mozilla:hubs_cloud:-:*:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·Mozilla

Remediation

Fix · CNA Hubs Cloud (Mozilla) Fixed in mozillareality/reticulum/1.0.1/20210618012634

Timeline

2026-10-02 Threatist record created from CVE-2021-29979
2026-10-03 Alias added: GHSA-523p-mj64-2h68

References

Advisory 1

https://www.mozilla.org/security/advisories/mfsa2021-32/

Other 1

https://bugzilla.mozilla.org/show_bug.cgi?id=1712495

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences