CVE-2019-11718
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.
Does this matter?
Lower severity and a low EPSS score (1.23%). Track it; it rarely justifies an emergency change on its own.
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 3.1
- 5.3 MEDIUMCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
- EPSS
- 1.23% probability · 69th percentile
- Public exploits
- None in Exploit-DB
- CISA KEV
- Not listed
- Weakness
- CWE-74
- Affected
- mozilla/firefox · opensuse/leap
- Source
- security@mozilla.org
EPSS 1.2% since 27 October 2026; no change recorded yet. Points are recorded when the score first appears and whenever it moves by a percentage point or more.
References
- http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00011.htmlMailing List, Third Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00017.htmlMailing List, Third Party Advisory
- https://bugzilla.mozilla.org/show_bug.cgi?id=1408349Issue Tracking, Permissions Required, Vendor Advisory
- https://security.gentoo.org/glsa/201908-12Third Party Advisory
- https://www.mozilla.org/security/advisories/mfsa2019-21/Vendor Advisory
- http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00011.htmlMailing List, Third Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00017.htmlMailing List, Third Party Advisory
- https://bugzilla.mozilla.org/show_bug.cgi?id=1408349Issue Tracking, Permissions Required, Vendor Advisory
- https://security.gentoo.org/glsa/201908-12Third Party Advisory
- https://www.mozilla.org/security/advisories/mfsa2019-21/Vendor Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.