CVE-2017-7798

HighCVSS 8.8/10Last modified Jun 17, 2026

Description

The Developer Tools feature suffers from a XUL injection vulnerability due to improper sanitization of the web page source code. In the worst case, this could allow arbitrary code execution when opening a malicious page with the style editor tool. This vulnerability affects Firefox ESR < 52.3 and Firefox < 55.

Metrics

CVSS 3.0 8.8/10CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Weakness enumeration

CWE-94

Affected software

Vendor	Product	Versions
Mozilla	Firefox ESR	>= unspecified, < 52.3
Mozilla	Firefox	>= unspecified, < 55

References

http://www.securityfocus.com/bid/100198Third Party Advisory, VDB Entry
http://www.securitytracker.com/id/1039124Third Party Advisory, VDB Entry
https://access.redhat.com/errata/RHSA-2017:2456Third Party Advisory
https://bugzilla.mozilla.org/buglist.cgi?bug_id=1371586%2C1372112Issue Tracking, Vendor Advisory
https://www.debian.org/security/2017/dsa-3928Third Party Advisory
https://www.mozilla.org/security/advisories/mfsa2017-18/Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2017-19/Vendor Advisory
http://www.securityfocus.com/bid/100198Third Party Advisory, VDB Entry
http://www.securitytracker.com/id/1039124Third Party Advisory, VDB Entry
https://access.redhat.com/errata/RHSA-2017:2456Third Party Advisory
https://bugzilla.mozilla.org/buglist.cgi?bug_id=1371586%2C1372112Issue Tracking, Vendor Advisory
https://www.debian.org/security/2017/dsa-3928Third Party Advisory
https://www.mozilla.org/security/advisories/mfsa2017-18/Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2017-19/Vendor Advisory

Timeline

Published: Jun 11, 2018
Last modified: Jun 17, 2026
NVD status: Modified

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