Vulnerability Details : CVE-2018-12398
By using the reflected URL in some special resource URIs, such as chrome:, it is possible to inject stylesheets and bypass Content Security Policy (CSP). This vulnerability affects Firefox < 63.
Products affected by CVE-2018-12398
- cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:*
- cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:lts:*:*:*
- cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:lts:*:*:*
- cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:*
- cpe:2.3:o:canonical:ubuntu_linux:18.10:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2018-12398
0.39%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 74 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2018-12398
Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
---|---|---|---|---|---|---|
4.3
|
MEDIUM | AV:N/AC:M/Au:N/C:N/I:P/A:N |
8.6
|
2.9
|
NIST | |
6.5
|
MEDIUM | CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N |
2.8
|
3.6
|
NIST |
References for CVE-2018-12398
-
https://usn.ubuntu.com/3801-1/
USN-3801-1: Firefox vulnerabilities | Ubuntu security noticesThird Party Advisory
-
https://bugzilla.mozilla.org/show_bug.cgi?id=1488061
Access DeniedIssue Tracking;Permissions Required;Vendor Advisory
-
http://www.securityfocus.com/bid/105721
Mozilla Firefox Multiple Security VulnerabilitiesVDB Entry;Third Party Advisory
-
https://www.mozilla.org/security/advisories/mfsa2018-26/
Security vulnerabilities fixed in Firefox 63 — MozillaVendor Advisory
-
http://www.securitytracker.com/id/1041944
Mozilla Firefox Multiple Bugs Let Remote Users Deny Service, Obtain Potentially Sensitive Information, and Execute Arbitrary Code - SecurityTrackerThird Party Advisory;VDB Entry
-
https://bugzilla.mozilla.org/show_bug.cgi?id=1460538
Access DeniedIssue Tracking;Permissions Required;Vendor Advisory
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