CVE-2019-11718
Mozilla: Activity Stream writes unsanitized content to innerHTML
Severity
ModerateRed Hat Product Security
CVSS 3.0
Review impact separately from score.
Published · July 9, 2019
Updated · January 14, 2026
Description
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.
CVSS score applicability
The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.
Mitigation
No mitigation is specified in collected source.
CVSS / CWE
CVSS 3.0 · 5.8CVSS:3.0/AV:N/AC:H/PR:N/UI:R/S:C/C:L/I:L/A:L
CWE-138 · Improper Neutralization of Special Elements