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TI-2023-18837 Aliases CVE-2023-37204GHSA-9g93-p34g-x5f6

A website could have obscured the fullscreen notification by using an option element by…

Priority LOW 29Published · Updated

Key facts

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

Attack profile from CVSS 3.1 · NVD. Fix status from CNA.

Summary

A website could have obscured the fullscreen notification by using an option element by introducing lag via an expensive computational function. This could have led to user confusion and possible spoofing attacks. This vulnerability affects Firefox < 115.

Why it matters now

EPSS 0.00515 44th percentileScored 2026-11-07
Fix Fixed Firefox (Mozilla): 115

SSVC decision points

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

Affected products

VendorProductAffected versionsFixed inStatusSource
MozillaFirefoxbefore 115115Patch availableCNA
  • Firefox VendorMozilla Affected before 115 Fixed in 115 Patch available CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:*before 115.0VulnerableMozilla
  • cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:* Versions before 115.0 Vulnerable ·Mozilla

Remediation

  • Fix · CNA Firefox (Mozilla) Fixed in 115

Fixed in the same release

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

  • Release ·

    Mozilla Firefox 115

    13 records Highest priority Priority HIGH 2 HIGH, 3 MEDIUM, 8 LOW

    Other records, highest priority first

    • TI-2023-18834 Use after free in Mozilla FirefoxPriority HIGH 73
    • TI-2023-18841 Unrestricted file upload in Mozilla FirefoxPriority HIGH 69
    • TI-2023-18840 A website could have obscured the fullscreen notification by using a URL with a scheme…Priority MEDIUM 62

Timeline

  1. 2026-10-02 Threatist record created from CVE-2023-37204
  2. 2026-10-03 Alias added: GHSA-9g93-p34g-x5f6

References

  • TI-2024-08981 Use after free in Mozilla Firefox KEVCVSS 3.1CRITICAL 9.8
  • TI-2022-09832 Use after free in Mozilla Firefox KEVCVSS 3.1CRITICAL 9.6
  • TI-2019-08769 Improper input validation in Mozilla Firefox ESR KEVCVSS 3.1CRITICAL 10.0
  • TI-2010-03577 Mozilla Firefox 3.5.x through 3.5.14 and 3.6.x through 3.6.11, Thunderbird 3.1.6 before… KEVCVSS 3.1CRITICAL 9.8
  • TI-2023-04799 Out-of-bounds write in Google Chrome KEVCVSS 3.1HIGH 8.8
  • TI-2023-04477 Out-of-bounds write in Google Chrome KEVCVSS 3.1HIGH 8.8
See all 3444 →

Sources