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HIGH

CVE-2018-19858

CVSS v3

8.6

HIGH

EPSS Score

2.6 %

exploit probability, as of 2026-09-25

CISA KEV

No

known exploited

Exploitation

—

SSVC status

Description

PrinceXML, versions 10 and below, is vulnerable to XXE due to the lack of protection against external entities. If an attacker passes HTML referencing an XML file (e.g., in an IFRAME element), PrinceXML will fetch the XML and parse it, thus giving an attacker file-read access and full-fledged SSRF.

Technical details

Published
2019-01-30

Frequently asked questions

What is CVE-2018-19858?

PrinceXML, versions 10 and below, is vulnerable to XXE due to the lack of protection against external entities. If an attacker passes HTML referencing an XML file (e.g., in an IFRAME element), PrinceXML will fetch the XML and parse it, thus giving an attacker file-read access and full-fledged SSRF.

Is CVE-2018-19858 actively exploited?

Active exploitation of CVE-2018-19858 has not been confirmed. Its EPSS score was 2.6% on 2026-09-25, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2018-19858?

CVE-2018-19858 has a CVSS v3 base score of 8.6 (HIGH severity).

Is CVE-2018-19858 affecting your environment?

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