Vulnerability in Mozilla Firefox
CVE-2019-11718
Activity Stream can display content from sent from the Snippet Service website. This content is written to innerHTML on the Activity Stream page without sanitization, allowing for a potential access to other information available to the Activity Stream, such as browsing history, if the Snipper Service were compromised. This vulnerability affects Firefox < 68.
EPSS: 0.012 (66.0th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N.
Affected products
- Mozilla Firefox — versions unspecified
- Opensuse Leap — versions 15.0, 15.1
Weakness classification (CWE)
References
- security@mozilla.org (x_refsource_MISC, Vendor Advisory)
- security@mozilla.org (Permissions Required, x_refsource_MISC, Issue Tracking, Vendor Advisory)
- security@mozilla.org (vendor-advisory, Third Party Advisory, x_refsource_GENTOO)
- security@mozilla.org (vendor-advisory, Mailing List, Third Party Advisory, x_refsource_SUSE)
- security@mozilla.org (vendor-advisory, Mailing List, Third Party Advisory, x_refsource_SUSE)
Frequently asked questions
- What is CVE-2019-11718?
- CVE-2019-11718 is a medium-severity vulnerability in Mozilla Firefox, classified under Improper Neutralization of Special Elements in Output Used by a Downstream Component (Injection). CVSS score: 5.3/10. Published 2019-07-23.
- How severe is CVE-2019-11718?
- Medium severity. CVSS v3 base score is 5.3 out of 10.