6.5med
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…
Published 8 y ago · modified 4 mo ago · JSON
CVSS
6.5
v3.0 · NVD
CISA KEV
No
not known exploited
EPSS
1.3%
percentile 70%
Public exploits
0
none known
Summary
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.
Exploit prediction (EPSS)
1.25% probability of exploitation in the next 30 days, higher than 70% of all scored CVEs.
CVSS scores
| Assigned by | Version | Score | Vector |
|---|---|---|---|
| NVD | 3.0 | 6.5 | CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N |
| NVD | 2.0 | 4.3 | AV:N/AC:M/Au:N/C:N/I:P/A:N |
Affected products
- Mozilla Firefox
Classification
- Weakness
- CWE-20 Improper Input Validation
References
- mozilla.org /security/advisories/mfsa2017-05/ · x_refsource_CONFIRM, x_transferred
- securitytracker.com /id/1037966 · vdb-entry, x_refsource_SECTRACK, x_transferred
- bugzilla.mozilla.org /show_bug.cgi?id=1284395 · x_refsource_CONFIRM, x_transferred
- securityfocus.com /bid/96692 · vdb-entry, x_refsource_BID, x_transferred
Sources
- CVE List: CVE-2017-5420
- NVD: CVE-2017-5420
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