CVE & CISA-KEV Catalog

CVE-2019-17020

MEDIUM
6.5
CVSS v3
NVD

Description

If an XML file is served with a Content Security Policy and the XML file includes an XSL stylesheet, the Content Security Policy will not be applied to the contents of the XSL stylesheet. If the XSL sheet e.g. includes JavaScript, it would bypass any of the restrictions of the Content Security Policy applied to the XML document. This vulnerability affects Firefox < 72.

How to fix

Remediation Available
firefoxDebian
Fixed in:72.0-1CVE-2019-17020
firefoxUbuntu
Fixed in:72.0.1+build1-0ubuntu0.16.04.1USN-4234-1
Fixed in:72.0.1+build1-0ubuntu0.18.04.1USN-4234-1
DeveloperEditionWindows application
Affected:72.0Fixed in:72.0Mozilla
Mozilla Firefox (en-US)Windows application
Affected:72.0Fixed in:72.0Mozilla

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 InteractionRequired
ScopeUnchanged

Impact

ConfidentialityNone
IntegrityHigh
AvailabilityNone

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

Exploit Intelligence

1.15%probability of exploitation in 30 days
63rdpercentile

Moderate risk: more likely to be exploited than 63% of all known CVEs.

References

Vendor Advisory1
Third-Party Advisory1
Other references1

Related Vulnerabilities

Other CWE-611 (XML External Entity (XXE)) vulnerabilities, ordered by exploit likelihood. View all

CVESeverityCVSSEPSSExploitedFix
CVE-2024-34102Critical9.8100%KEVFix
CVE-2019-9670Critical9.8100%KEVFix
CVE-2022-28219Critical9.897%--
CVE-2024-22024High8.395%--
CVE-2024-38653High7.592%--
CVE-2017-12629Critical9.892%-Fix
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Markdown

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HTML

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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.