XSS in Mozilla Firefox
CVE-2019-17001
A Content-Security-Policy that blocks in-line scripts could be bypassed using an object tag to execute JavaScript in the protected document (cross-site scripting). This is a separate bypass from CVE-2019-17000.*Note: This flaw only affected Firefox 69 and was not present in earlier versions.*. This vulnerability affects Firefox < 70.
Vulnerability class: XSS (Cross-Site Scripting)
EPSS: 0.008 (52.9th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 6.1 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N.
Affected products
- Mozilla Firefox — versions before 70, 69.0
Weakness classification (CWE)
References
- security@mozilla.org (Permissions Required, x_refsource_MISC)
- security@mozilla.org (x_refsource_CONFIRM, Vendor Advisory)
Frequently asked questions
- What is CVE-2019-17001?
- CVE-2019-17001 is a medium-severity vulnerability in Mozilla Firefox, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2020-01-08.
- How severe is CVE-2019-17001?
- Medium severity. CVSS v3 base score is 6.1 out of 10.