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CVE-2024-0749: A phishing site could have repurposed an `about:` dialog to show phishing content with an incorrect origin in the address bar. This vulnerability...

4.3 CVSS

Description

A phishing site could have repurposed an `about:` dialog to show phishing content with an incorrect origin in the address bar. This vulnerability affects Firefox < 122 and Thunderbird < 115.7.

Classification

CVE ID: CVE-2024-0749

CVSS Base Severity: MEDIUM

CVSS Base Score: 4.3

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

Problem Types

Phishing site popup could show local origin in address bar

Affected Products

Vendor: Mozilla

Product: Firefox, Thunderbird

Exploit Prediction Scoring System (EPSS)

EPSS Score: 0.34% (probability of being exploited)

EPSS Percentile: 55.85% (scored less or equal to compared to others)

EPSS Date: 2025-06-19 (when was this score calculated)

Stakeholder-Specific Vulnerability Categorization (SSVC)

SSVC Exploitation: none

SSVC Technical Impact: partial

SSVC Automatable: false

References

https://nvd.nist.gov/vuln/detail/CVE-2024-0749
https://bugzilla.mozilla.org/show_bug.cgi?id=1813463
https://lists.debian.org/debian-lts-announce/2024/01/msg00015.html
https://lists.debian.org/debian-lts-announce/2024/01/msg00022.html
https://www.mozilla.org/security/advisories/mfsa2024-01/
https://www.mozilla.org/security/advisories/mfsa2024-04/

Timeline