CVE-2017-7798

mediumpriority · track · 36EPSS 0.021 · 81 %ileDEEURUUS

grimoire priorityP3 · Track

Exploitable?

—

no known exploitation

Likely / severe?

2.05% (81st) EPSS

CVSS 6.8 · medium

Is it mine?

70 products

Check your exposure

Who says so?

4 sources

cnnvd · enisa_euvd · fstec_bdu · cert_bund

EPSS · scored 2026-10-27

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.

cvss

Technical severity, 0–10. One row per scoring source.

8.8

010

base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · medium–high · 6.8–8.8

v2.06.8mediumAV:N/AC:M/Au:N/C:P/I:P/A:Pprimary · NVD / NIST USexploitability 8.6 · impact 6.4

v3.08.8highCVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:Hprimary · NVD / NIST USexploitability 2.8 · impact 5.9

v3.08.1highCVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:Usecondary · CVSS-BT (t0sche)

v3.17.5highAV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:Hsecondary · FSTEC (BDU) RU

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-94USprimaryCWE-77USCWE-94US

affected products (70)

Products and version ranges known to be affected.

Debian Linuxall versionscert_bundDEcpe:/o:debian:debian_linux:-
Mozilla Firefox <55all versionscert_bundDE
Mozilla Firefox ESR <52.3all versionscert_bundDE
Open Source CentOSall versionscert_bundDEcpe:/o:centos:centos:-
Oracle Linuxall versionscert_bundDEcpe:/o:oracle:linux:-
Red Hat Enterprise Linuxall versionscert_bundDEcpe:/o:redhat:enterprise_linux:-
SUSE Linuxall versionscert_bundDEcpe:/o:suse:suse_linux:-
Ubuntu Linuxall versionscert_bundDEcpe:/o:canonical:ubuntu_linux:-
Xerox FreeFlow Print Server 9all versionscert_bundDEcpe:/a:xerox:freeflow_print_server:9
Mozilla Firefox< 55cert_bundDE
Mozilla Firefox ESR< 52.3cert_bundDE
Mozilla Firefoxunspecified → 55enisa_euvdEU
Mozilla Firefox ESRunspecified → 52.3enisa_euvdEU
Canonical Ltd. Ubuntu≤ 14.04 ESMfstec_bduRU
Canonical Ltd. Ubuntu≤ 16.04 LTSfstec_bduRU
Canonical Ltd. Ubuntu≤ 17.04fstec_bduRU
Mozilla Corp. Firefox≤ 55fstec_bduRU
Mozilla Corp. Firefox ESR≤ 52.3fstec_bduRU
Novell Inc. OpenSUSE Leap≤ 15.0fstec_bduRU
Novell Inc. OpenSUSE Leap≤ 42.3fstec_bduRU

showing 20 of 70

advisories (1)

Vendor and ecosystem advisories describing this.

WID-SEC-W-2025-1211Mozilla Firefox: Mehrere SchwachstellenDeutsch2017-08-08csaf · cert_bundDE
Ein entfernter, anonymer Angreifer kann mehrere Schwachstellen in Mozilla Firefox ESR und Mozilla Firefox ausnutzen, um Benutzer zu täuschen, Sicherheitsvorkehrungen zu umgehen, Informationen offenzulegen, beliebigen Programmcode mit den Rechten des Angegriffenen auszuführen und einen Denial of Service Zustand herbeizuführen.

also known as (5)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd fstec_bdu cert_bund NVD CVE.org MITRE

published 2018-06-11modified 2026-06-17

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+10440 more

references (19)

External citations — patches, advisories, analysis.

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