Improper input validation in Mozilla Firefox
CVE-2017-5453
A mechanism to inject static HTML into the RSS reader preview page due to a failure to escape characters sent as URL parameters for a feed's "TITLE" element. This vulnerability allows for spoofing but no scripted content can be run. This vulnerability affects Firefox < 53.
Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)
EPSS: 0.011 (62.2th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 4.3 (Medium). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N.
Affected products
- Mozilla Firefox — versions unspecified
Weakness classification (CWE)
References
- security@mozilla.org (x_refsource_CONFIRM, Issue Tracking, Vendor Advisory)
- security@mozilla.org (x_refsource_CONFIRM, Vendor Advisory)
- security@mozilla.org (VDB Entry, Third Party Advisory, vdb-entry, x_refsource_BID)
- security@mozilla.org (VDB Entry, Third Party Advisory, vdb-entry, x_refsource_SECTRACK)
Frequently asked questions
- What is CVE-2017-5453?
- CVE-2017-5453 is a medium-severity vulnerability in Mozilla Firefox, classified under Improper Input Validation. CVSS score: 4.3/10. Published 2018-06-11.
- How severe is CVE-2017-5453?
- Medium severity. CVSS v3 base score is 4.3 out of 10.