Description
On pages containing an iframe, the "data:" protocol can be used to create a modal alert that will render over arbitrary domains following page navigation, spoofing of the origin of the modal alert from the iframe content. This vulnerability affects Thunderbird < 52.3, Firefox ESR < 52.3, and Firefox < 55.
Published: 2018-06-11
Score: 5.3 Medium
EPSS: 1.4% Low
KEV: No
Impact: n/a
Action: n/a
AI Analysis

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Remediation

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Tracking

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Advisories
Source ID Title
Debian DLA Debian DLA DLA-1053-1 firefox-esr security update
Debian DLA Debian DLA DLA-1087-1 icedove/thunderbird security update
Debian DSA Debian DSA DSA-3928-1 firefox-esr security update
Debian DSA Debian DSA DSA-3928-2 firefox-esr security update
Debian DSA Debian DSA DSA-3968-1 icedove/thunderbird security update
EUVD EUVD EUVD-2017-16766 On pages containing an iframe, the "data:" protocol can be used to create a modal alert that will render over arbitrary domains following page navigation, spoofing of the origin of the modal alert from the iframe content. This vulnerability affects Thunderbird < 52.3, Firefox ESR < 52.3, and Firefox < 55.
Ubuntu USN Ubuntu USN USN-3391-1 Firefox vulnerabilities
Ubuntu USN Ubuntu USN USN-3416-1 Thunderbird vulnerabilities
History

Tue, 25 Nov 2025 18:00:00 +0000

Type Values Removed Values Added
CPEs cpe:2.3:a:mozilla:firefox_esr:*:*:*:*:*:*:*:*
Vendors & Products Mozilla firefox Esr

Subscriptions

Debian Debian Linux
Mozilla Firefox Thunderbird
Redhat Enterprise Linux Enterprise Linux Desktop Enterprise Linux Server Enterprise Linux Server Aus Enterprise Linux Server Eus Enterprise Linux Workstation
cve-icon MITRE

Status: PUBLISHED

Assigner: mozilla

Published:

Updated: 2024-08-05T16:12:28.504Z

Reserved: 2017-04-12T00:00:00.000Z

Link: CVE-2017-7791

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Modified

Published: 2018-06-11T21:29:09.407

Modified: 2025-11-25T17:50:16.803

Link: CVE-2017-7791

cve-icon Redhat

Severity : Moderate

Publid Date: 2017-08-08T00:00:00Z

Links: CVE-2017-7791 - Bugzilla

cve-icon OpenCVE Enrichment

No data.

Weaknesses