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TI-2023-05296 Aliases CVE-2023-5758GHSA-fpp8-6gxj-v3pg

Cross-site scripting in Mozilla Firefox for iOS

Priority LOW 28CWE-79Published · Updated

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 · CISA ADP. Fix status from CNA. Impact type from CWE-79.

Summary

When opening a page in reader mode, the redirect URL could have caused attacker-controlled script to execute in a reflected Cross-Site Scripting (XSS) attack. This vulnerability affects Firefox for iOS < 119.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00511 43rd percentileScored 2026-11-07
Fix Fixed Firefox for iOS (Mozilla): 119

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
No
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
MozillaFirefox for iOSbefore 119119Patch availableCNA
  • Firefox for iOS VendorMozilla Affected before 119 Fixed in 119 Patch available CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:mozilla:firefox_mobile:*:*:*:*:*:iphone_os:*:*before 119.0VulnerableMozilla
  • cpe:2.3:a:mozilla:firefox_mobile:*:*:*:*:*:iphone_os:*:* Versions before 119.0 Vulnerable ·Mozilla

Remediation

  • Fix · CNA Firefox for iOS (Mozilla) Fixed in 119

Timeline

  1. 2026-10-02 Threatist record created from CVE-2023-5758
  2. 2026-10-03 Alias added: GHSA-fpp8-6gxj-v3pg

References

Advisory 1

Other 2

  • TI-2022-09832 Use after free in Mozilla Firefox KEVCVSS 3.1CRITICAL 9.6
  • TI-2022-09831 Use after free in Mozilla Firefox KEVCVSS 3.1HIGH 8.8
  • TI-2023-13905 Race condition in Mozilla Firefox for Android CVSS 3.1HIGH 7.5
  • TI-2023-13916 A wrong lowering instruction in the ARM64 Ion compiler resulted in a wrong optimization… CVSS 3.1MEDIUM 6.5
  • TI-2023-13903 Following a Garbage Collector compaction, weak maps may have been accessed before they… CVSS 3.1MEDIUM 6.5
  • TI-2022-13642 Information disclosure in Mozilla Firefox for iOS CVSS 3.1MEDIUM 6.5
See all 86 →

Sources

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