Skip to content
CVE Tracker
Back

CVE-2017-7798

The Developer Tools feature suffers from a XUL injection vulnerability due to improper sanitization of the web page source code. In the…

High8.8EPSS 2.1%
Published
Updated
Reserved
Assigned by
mozilla

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.

Scores

CVSS scores of CVE-2017-7798, by who scored it
Scored byCVSSScoreVector
NVDNVD · Modified3.0High8.8CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
EPSS (exploitation in 30 days)
2.1% · top 19% of all CVEs (2 Nov 2026)

Loading the EPSS history…

The list uses the assigner's score when there is one, then CISA's, then NVD's: High 8.8.

Weakness

Affected products

  • Mozilla · Firefox ESR

    • affected unspecified – < 52.3

  • Mozilla · Firefox

    • affected unspecified – < 55

References (7)

Sources

The same CVE in the primary databases and aggregators, to check against.

Record last updated .