EUVD-2026-44421
GHSA-q829-qfq5-5548
Severity by source
AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
Network-reachable admin/webhook feature exploitable with low complexity but requires high-privilege access (PR:H); improper output escaping yields code execution with a scope change and full C/I/A impact.
Primary rating from Vendor (adobe).
CVSS VectorNVD
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
Lifecycle Timeline
5DescriptionNVD
Adobe Commerce is affected by an Improper Encoding or Escaping of Output vulnerability that could result in arbitrary code execution in the context of the current user. Exploitation of this issue does not require user interaction. Scope is changed.
AnalysisAI
Remote code execution in Adobe Commerce (Magento) allows attackers to run arbitrary code in the context of the current user through an improper output encoding/escaping flaw (CWE-116), scored CVSS 10.0 with a changed scope. It affects Adobe Commerce, Adobe Commerce B2B, Magento Open Source, and the Adobe Commerce Webhooks Plugin across a wide range of versions up to 2.4.9 (and B2B up to 1.5.3). …
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Recommended ActionAI
Within 24 hours: inventory all Adobe Commerce, Magento Open Source, and Adobe Commerce Webhooks Plugin installations to identify affected versions (2.4.9 and earlier for Commerce; 1.5.3 and earlier for B2B); restrict network access to Commerce administrative URLs and APIs to known-trusted IP ranges only; activate Web Application Firewall rules targeting CWE-116 output encoding bypass patterns. …
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Same weakness CWE-116 – Improper Encoding or Escaping of Output
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External POC / Exploit Code
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