CVE-2017-7798

Name: CVE-2017-7798
Creator: NVD / NIST
Published: 2018-06-11T21:29:09.687+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

UnknownEPSS 2.10%

Last modified Jun 17, 2026

CVE-2017-7798 is a vulnerability of currently unknown severity. 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. EPSS estimates a 2.10% chance of exploitation in the next 30 days.

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

EPSS Probability

2.10%

79.4th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-94

Affected Software

Vendor	Product	Versions
Debian	Debian Linux	8.0
Debian	Debian Linux	9.0
Redhat	Enterprise Linux	6.0
Redhat	Enterprise Linux	7.0
Redhat	Enterprise Linux Desktop	6.0
Redhat	Enterprise Linux Desktop	7.0
Redhat	Enterprise Linux Server	6.0
Redhat	Enterprise Linux Server	7.0
Redhat	Enterprise Linux Server Aus	7.3
Redhat	Enterprise Linux Server Aus	7.4
Redhat	Enterprise Linux Server Eus	7.3
Redhat	Enterprise Linux Server Eus	7.4
Redhat	Enterprise Linux Server Eus	7.5
Redhat	Enterprise Linux Workstation	6.0
Redhat	Enterprise Linux Workstation	7.0
Mozilla	Firefox	< 55.0
Mozilla	Firefox	< 52.3.0

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
Status: Modified

Frequently Asked Questions

What is CVE-2017-7798?

How severe is CVE-2017-7798?

Severity scoring for CVE-2017-7798 is pending analysis. The EPSS model estimates a 2.10% probability of exploitation in the next 30 days.

How do I fix CVE-2017-7798?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2017-7798?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST