Is CVE-2019-11718 in the CISA KEV catalog?

No. CVE-2019-11718 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2019-11718?

CVE-2019-11718 has a CVSS v3 base score of 5.3 (MEDIUM).

What is the EPSS score for CVE-2019-11718?

CVE-2019-11718 has an EPSS score of 1.23% (65th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2019-11718?

Upgrade firefox on debian unstable to 68.0-1 or later. Fixes are available for 4 affected products.

CVE & CISA-KEV Catalog

CVE-2019-11718

MEDIUM

5.3

CVSS v3

NVD

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.

CWE-74Injection

How to fix

Remediation Available

firefoxDebian

Fixed in:68.0-1CVE-2019-11718

firefoxUbuntu

Fixed in:68.0+build3-0ubuntu0.16.04.1USN-4054-1

Fixed in:68.0+build3-0ubuntu0.18.04.1USN-4054-1

DeveloperEditionWindows application

Affected:68.0Fixed in:68.0Mozilla

Mozilla Firefox (en-US)Windows application

Affected:68.0Fixed in:68.0Mozilla

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorNetwork

Attack ComplexityLow

Privileges RequiredNone

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityLow

IntegrityNone

AvailabilityNone

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

Exploit Intelligence

1.23%probability of exploitation in 30 days

65thpercentile

Moderate risk: more likely to be exploited than 65% of all known CVEs.

References

Vendor Advisory2

Third-Party Advisory3

Related Vulnerabilities

Other CWE-74 (Injection) vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2013-2251	Critical	9.8	100%	KEV	Fix
CVE-2023-22527	Critical	9.8	100%	KEV + Ransom	Fix
CVE-2019-2725	Critical	9.8	100%	KEV + Ransom	Fix
CVE-2022-46169	Critical	9.8	100%	KEV	Fix
CVE-2022-35914	Critical	9.8	100%	KEV	-
CVE-2019-17558	High	7.5	99%	KEV	Fix

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2024-11-21.