Information disclosure in Mozilla Firefox for iOS
Priority MEDIUM 62CWE-200Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- Required
- Attack complexity
- Low
- Impact type
- Information disclosure
- Confidentiality · integrity · availability
- None · High · None
- Fix status
- Fixed
Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA. Impact type from CWE-200.
Summary
Internal URLs are protected by a secret UUID key, which could have been leaked to web page through the Referrer header. This vulnerability affects Firefox for iOS < 102.
Why it matters now
Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.00443 38th percentileScored 2026-11-07
Fix Fixed Firefox for iOS (Mozilla): 102
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- Poc
- 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
Remediation
- Fix · CNA Firefox for iOS (Mozilla) Fixed in 102
Timeline
- 2026-10-02 Threatist record created from CVE-2022-31746
- 2026-10-03 Alias added: GHSA-5mgf-9mwf-m64w
References
More Mozilla Firefox Mobile vulnerabilities
- 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-2023-13906 Exposure of resource to wrong sphere in Mozilla Firefox for Android CVSS 3.1MEDIUM 4.3
Sources
- CVE-2022-31746 · CVE Program
- CVE-2022-31746 · NVD
- FIRST EPSS
- GHSA-5mgf-9mwf-m64w · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences