Improper input validation in Mozilla Firefox
CVE-2017-5420
A "javascript:" url loaded by a malicious page can obfuscate its location by blanking the URL displayed in the addressbar, allowing for an attacker to spoof an existing page without the malicious page's address being displayed correctly. This vulnerability affects Firefox < 52.
Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N.
EPSS exploit prediction
EPSS: 0.013 (69.0th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 69th percentile — 69.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.013 · newest: 0.013 · change: 0.000
Affected products
- Mozilla Firefox — versions unspecified
Weakness classification (CWE)
References
- www.mozilla.org/security/advisories/mfsa2017-05/ (Vendor Advisory)
- www.securitytracker.com/id/1037966 (VDB Entry, Third Party Advisory, vdb-entry)
- bugzilla.mozilla.org/show_bug.cgi (Exploit, Patch, Issue Tracking, Vendor Advisory)
- www.securityfocus.com/bid/96692 (VDB Entry, Third Party Advisory, vdb-entry)
Frequently asked questions
- What is CVE-2017-5420?
- CVE-2017-5420 is a medium-severity vulnerability in Mozilla Firefox, classified under Improper Input Validation. CVSS score: 6.5/10. Published 2018-06-11.
- How severe is CVE-2017-5420?
- Medium severity. CVSS v3 base score is 6.5 out of 10.