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Vulnerability record · CVE-2023-49060 · published 21 November 2023

CVE-2023-49060: Mozilla firefox mobile vulnerability

Mozilla · Firefox Mobile

An attacker could have accessed internal pages or data by ex-filtrating a security key from ReaderMode via the `referrerpolicy` attribute. This vulnerability affects Firefox for iOS < 120.

9.8 CVSS 3.1 Critical EPSS 0.64% · top 51.4%
9.8CVSS 3.1 base score
0.64%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
4References
19 Aug 2026Last modified by NVD

Description

An attacker could have accessed internal pages or data by ex-filtrating a security key from ReaderMode via the `referrerpolicy` attribute. This vulnerability affects Firefox for iOS < 120.

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://bugzilla.mozilla.org/show_bug.cgi?id=1861405 Issue TrackingNot Applicable
https://www.mozilla.org/security/advisories/mfsa2023-51/ Release NotesVendor Advisory
https://bugzilla.mozilla.org/show_bug.cgi?id=1861405 Issue TrackingNot Applicable
https://www.mozilla.org/security/advisories/mfsa2023-51/ Release NotesVendor Advisory

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2023-49060), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.