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Fencer Vulns
critical 10.0

CVE-2018-1000652 json

JabRef version <=4.3.1 contains a XML External Entity (XXE) vulnerability in MsBibImporter XML Parser that can result in disclosure of conf…

published 2018-08-20 8 y ago modified 2026-06-17 4 mo ago also EUVD-2018-1983

cvss
10.0
version 3.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
1.9%
EPSS 1.9% chance of exploitation in 30 days, percentile 80%
public exploits
0
none known

Summary

JabRef version <=4.3.1 contains a XML External Entity (XXE) vulnerability in MsBibImporter XML Parser that can result in disclosure of confidential data, denial of service, server side request forgery, port scanning. This attack appear to be exploitable via Specially crafted MsBib file. This vulnerability appears to have been fixed in after commit 89f855d.

Patch / fix

  • jabref Debian 14, Debian 13, Debian 12 3.8.2+ds-12

debian advisories DEBIAN-CVE-2018-1000652

  • jabref Ubuntu 18.04 LTS 3.8.2+ds-12~18.04

ubuntu advisories UBUNTU-CVE-2018-1000652

Ubuntu security data © Canonical Ltd., from https://github.com/canonical/ubuntu-security-notices via OSV; changed: normalised to fixed package versions per release. CC BY-SA 4.0

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2018-1000652 updated cvss 7.3

jabref: XXE in MsBibImporter resulting in information disclosure, DoS and other unspecified impact

  • Red Hat All currently supported Red Hat products
    not affected: vulnerable code not present

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

Exploit prediction

1.94% chance of exploitation in the next 30 days, higher than 80% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
NVD 3.0 10.0 CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
NVD 2.0 7.5 AV:N/AC:L/Au:N/C:P/I:P/A:P

Classification

Weakness
  • CWE-611 Improper Restriction of XML External Entity Reference

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.