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TI-2020-05536 Aliases CVE-2020-6827GHSA-xvx2-w5pj-9472

Clickjacking in Mozilla Firefox ESR

Priority LOW 23CWE-1021Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
Required
Attack complexity
Low
Impact type
Spoofing
Confidentiality · integrity · availability
None · Low · None
Fix status
Fixed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-1021.

Summary

When following a link that opened an intent://-schemed URL, causing a custom tab to be opened, Firefox for Android could be tricked into displaying the incorrect URI. <br> *Note: This issue only affects Firefox for Android. Other operating systems are unaffected.*. This vulnerability affects Firefox ESR < 68.7.

Why it matters now

EPSS 0.00763 55th percentileScored 2026-11-07
Fix Fixed Firefox ESR (Mozilla): 68.7

SSVC decision points

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

Affected products

VendorProductAffected versionsFixed inStatusSource
MozillaFirefox ESRbefore 68.768.7Patch availableCNA
  • Firefox ESR VendorMozilla Affected before 68.7 Fixed in 68.7 Patch available CNA

CPE configurations NVD · 2

CPEVersionsRoleVendor
cpe:2.3:a:mozilla:firefox_esr:*:*:*:*:*:*:*:*before 68.7.0VulnerableMozilla
cpe:2.3:o:google:android:-:*:*:*:*:*:*:*not specified by NVDRunning onGoogle
  • cpe:2.3:a:mozilla:firefox_esr:*:*:*:*:*:*:*:* Versions before 68.7.0 Vulnerable ·Mozilla
  • cpe:2.3:o:google:android:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Google

Remediation

  • Fix · CNA Firefox ESR (Mozilla) Fixed in 68.7

Fixed in the same release

Records fixed by the same vendor advisory or release, as the CNA lists them.

  • Release ·

    Mozilla Firefox ESR 68.7

    5 records Highest priority Priority MEDIUM 2 MEDIUM, 3 LOW

    Other records, highest priority first

    • TI-2020-05534 Out-of-bounds write in Mozilla ThunderbirdPriority MEDIUM 46
    • TI-2020-05531 Out-of-bounds write in Mozilla ThunderbirdPriority MEDIUM 41
    • TI-2020-05537 Path traversal in Mozilla Firefox ESRPriority LOW 36
    Show all 5 records →

Vendor assessments

Red Hat

Red Hat rating: Important. Red Hat's page for this CVE →

Not affected: 4 products
  • Red Hat Enterprise Linux 5
  • Red Hat Enterprise Linux 6
  • Red Hat Enterprise Linux 7
  • Red Hat Enterprise Linux 8

Timeline

  1. 2026-10-02 Threatist record created from CVE-2020-6827
  2. 2026-10-03 Alias added: GHSA-xvx2-w5pj-9472

References

Advisory 1

Other 1

  • TI-2022-15364 Use after free in Mozilla Firefox CVSS 3.1CRITICAL 9.8
  • TI-2022-13633 Out-of-bounds write in Mozilla Thunderbird CVSS 3.1CRITICAL 9.8
  • TI-2021-03015 XML injection in Mozilla Firefox ESR CVSS 3.1CRITICAL 10.0
  • TI-2022-09755 Protection mechanism failure in Mozilla Firefox CVSS 3.1CRITICAL 9.6
  • TI-2022-07009 Protection mechanism failure in Mozilla Firefox CVSS 3.1CRITICAL 9.6
  • TI-2023-18834 Use after free in Mozilla Firefox CVSS 3.1HIGH 8.8
See all 486 →

Sources

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