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Fencer Vulns
medium 4.9

CVE-2019-8126 json

Information disclosure through processing of external XML entities

published 2019-11-05 7 y ago modified 2026-06-17 4 mo ago also GHSA-427g-2r83-3ccm , EUVD-2019-0726

cvss
4.9
version 3.1, NVD
cisa kev
Not listed
not in CISA's catalog
epss
0.9%
EPSS 0.9% chance of exploitation in 30 days, percentile 59%
public exploits
0
none known

Summary

An XML entity injection vulnerability exists in Magento 2.2 prior to 2.2.10, Magento 2.3 prior to 2.3.3 or 2.3.2-p1. An authenticated admin user can craft document type definition for an XML representing XML layout. The crafted document type definition and XML layout allow processing of external entities which can lead to information disclosure.

Patch / fix

  • packagist magento/community-edition 2.2.10, 2.3.2-p2
  • magento magento 2.2.10, 2.3.2

Exploit prediction

0.88% chance of exploitation in the next 30 days, higher than 59% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
NVD 3.1 4.9 CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N
NVD 2.0 4.0 AV:N/AC:L/Au:S/C:P/I:N/A:N
GitHub 3.1 4.9 CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N

Affected packages

ecosystem package affected fixed in
packagist magento/community-edition
>=2.2, <2.2.10
>=2.3, <2.3.2-p2
2.2.10
2.3.2-p2

Affected products

  • Adobe Systems Incorporated Magento 2

Classification

Weakness
  • CWE-611 Improper Restriction of XML External Entity Reference
  • CWE-776 Improper Restriction of Recursive Entity References in DTDs

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.