CVE-2018-1000823

Description

exist version <= 5.0.0-RC4 contains a XML External Entity (XXE) vulnerability in XML Parser for REST Server that can result in Disclosure of confidential data, denial of service, SSRF, port scanning.

Category

10.0
CVSS
Severity: Critical
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.24%
Third-Party Advisory 0dd.zone Third-Party Advisory github.com
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
https://0dd.zone/2018/10/27/exist-XXE/ third party advisory
https://github.com/eXist-db/exist/issues/2180 issue tracking third party advisory

Frequently Asked Questions

What is the severity of CVE-2018-1000823?
CVE-2018-1000823 has been scored as a critical severity vulnerability.
How to fix CVE-2018-1000823?
To fix CVE-2018-1000823, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2018-1000823 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2018-1000823 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
This platform uses data from the NIST NVD, MITRE CVE, MITRE CWE, First.org and CISA KEV but is not endorsed or certified by these entities. CVE is a registred trademark of the MITRE Corporation and the authoritative source of CVE content is MITRE's CVE web site. CWE is a registred trademark of the MITRE Corporation and the authoritative source of CWE content is MITRE's CWE web site.
© 2025 Under My Watch. All Rights Reserved.