Medium severity · published Dec 22, 2022
CVE-2022-31746
Internal URLs are protected by a secret UUID key, which could have been leaked to web page through the Referrer header
6.5
CVSS
0.4%
EPSS
No
On KEV
Description
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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
Required
Confidentiality
None
Integrity
High
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.4% · higher than 38% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
FM
Firefox Mobile · Mozilla
before 102.0 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2022-31746
CVE.org
https://www.cve.org/CVERecord?id=CVE-2022-31746
Issue Tracking
https://bugzilla.mozilla.org/show_bug.cgi?id=1654416
Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2022-27/
More from Firefox Mobile
9.6
CVE-2022-26486
Mozilla Firefox Use-After-Free Vulnerability
8.8
CVE-2022-26485
Mozilla Firefox Use-After-Free Vulnerability
9.8
CVE-2026-84135
Other issue in Firefox Focus for Android
9.8
CVE-2023-49060
An attacker could have accessed internal pages or data by ex-filtrating a security key from ReaderMode via the `referrerpolicy` attribute
9.1
CVE-2023-29534
Different techniques existed to obscure the fullscreen notification in Firefox and Focus for Android