CVE-2019-8126

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.

Published: 2019-11-05 Last update: 2026-06-16 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2019-8126 is rated Low Risk (39.3/100): CVSS Medium severity, with medium exploitation likelihood (EPSS 0.88%). Monitor for updates and reassess as exploit intelligence or EPSS changes.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Exploit prediction scoring system (EPSS) score for CVE-2019-8126

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2026-06-15 0.11% 0.88% +0.77%
2 2025-03-30 0.23% 0.11% -0.12%
3 2025-03-29 — 0.23% —

Full EPSS history (8 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2019-8126

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
4.9 3.1 MEDIUM
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N Click to expand
Attack vector (AV:N)
Could be attacked over the internet or any normal routed network—not just someone sitting at the machine.
Attack complexity (AC:L)
Once they can reach the bug, pulling it off is straightforward—no weird race conditions or rare setup.
Privileges required (PR:H)
They need powerful rights—admin, root, or similar—before this pays off.
User interaction (UI:N)
Nobody has to click “OK” or open a trap file; it can work without a victim helping.
Scope (S:U)
Damage stays in the same “trust bubble” as the broken component—no big spill into unrelated systems.
Confidentiality (C:H)
Serious risk that confidential data gets exposed in a big way.
Integrity (I:N)
Data isn’t meaningfully altered or forged.
Availability (A:N)
Service keeps running; no real outage angle.
 1.2 3.6 [email protected]
4.0 2.0 MEDIUM
AV:N/AC:L/Au:S/C:P/I:N/A:N Click to expand
Access vector (AV:N)
Can be exploited remotely over network reachability.
Access complexity (AC:L)
Exploitation conditions are straightforward and predictable.
Authentication (AU:S)
A single authentication is required.
Confidentiality impact (C:P)
Partial confidentiality impact.
Integrity impact (I:N)
No integrity impact.
Availability impact (A:N)
No availability impact.
 8.0 2.9 [email protected]

Weakness enumeration for CVE-2019-8126

GitHub Security Advisory for CVE-2019-8126

GHSA-427g-2r83-3ccm · Severity: medium · Ecosystem: composer — Information disclosure through processing of external XML entities

Affected software / configurations for CVE-2019-8126

Vendor Product Version Raw CPE
magento magento >= 2.2.0, < 2.2.10 cpe:2.3:a:magento:magento:*:*:*:*:commerce:*:*:*
magento magento >= 2.2.0, < 2.2.10 cpe:2.3:a:magento:magento:*:*:*:*:open_source:*:*:*
magento magento >= 2.3.0, < 2.3.2 cpe:2.3:a:magento:magento:*:*:*:*:commerce:*:*:*
magento magento >= 2.3.0, < 2.3.2 cpe:2.3:a:magento:magento:*:*:*:*:open_source:*:*:*
magento magento 2.3.2 cpe:2.3:a:magento:magento:2.3.2:-:*:*:commerce:*:*:*
magento magento 2.3.2 cpe:2.3:a:magento:magento:2.3.2:-:*:*:open_source:*:*:*

References for CVE-2019-8126

cvelogic Threat Intelligence