6.1

CVE-2021-29979: mozilla hubs_cloud Cross-site Scripting

CVSS: 6.1v3.1MediumModified
Published 02-08-2021Last modified 03-08-2024

Vulnerability summary

CVE-2021-29979 is a medium (CVSS 6.1) Cross-site Scripting vulnerability in mozilla hubs_cloud. EPSS estimates a 0.67% chance of exploitation in the next 30 days, higher than 50.9% of scored vulnerabilities.

Overall risk
25/100
0100
Medium · default modelHow is this calculated?
CVSS score
6.1/10
010
Medium · v3.1 (NVD)
EPSS score
0.67%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 02-08-2021
    PublishedVulnerability first disclosed.
  2. 03-08-2024
    Last modifiedVulnerability information updated.

Description

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.

CVSS metrics

2 scores · 1 source · 2 versions

EPSS trend

Probability

0.67%

Chance of exploitation in the next 30 days

Percentile

51%

Versus all other CVEs

30-day change

0.00 pp

From 0.67% on 19-09-2026

19-09-202619-10-2026
EPSS score
0.67%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Mozilla1 product
  • hubs_cloud≥ unspecified, < mozillareality/reticulum/1.0.1/20210618012634 | na

1 vendor · 1 product

References

2 links