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Vulnerability record · CVE-2023-49061 · published 21 November 2023

CVE-2023-49061: Mozilla firefox mobile open redirect vulnerability

Mozilla · Firefox Mobile

An attacker could have performed HTML template injection via Reader Mode and exfiltrated user information. This vulnerability affects Firefox for iOS < 120.

6.1 CVSS 3.1 Medium EPSS 0.31% · top 78.3% CWE-601 · Open redirect
6.1CVSS 3.1 base score
0.31%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 performed HTML template injection via Reader Mode and exfiltrated user information. This vulnerability affects Firefox for iOS < 120.

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

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=1861420 Issue TrackingPermissions Required
https://www.mozilla.org/security/advisories/mfsa2023-51/ Vendor Advisory
https://bugzilla.mozilla.org/show_bug.cgi?id=1861420 Issue TrackingPermissions Required
https://www.mozilla.org/security/advisories/mfsa2023-51/ Vendor Advisory

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

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Source: NIST National Vulnerability Database (record CVE-2023-49061), CISA KEV, FIRST EPSS (scores of 2026-09-29). This page is refreshed as NVD updates the record.