EUVD-2026-56848
GHSA-g35r-hm8j-j3gm
Severity by source
AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:N
Network-accessible stored XSS requires a low-privileged account (PR:L) and victim page visit (UI:R); scope change (S:C) reflects script execution in victim's browser context enabling account takeover with no availability impact.
Primary rating from Vendor (adobe).
CVSS VectorVendor: adobe
Lifecycle Timeline
2DescriptionCVE.org
Adobe Commerce is affected by a stored Cross-Site Scripting (XSS) vulnerability that could be abused by a low-privileged attacker to inject malicious scripts into vulnerable form fields. Malicious JavaScript may be executed in a victim's browser when they browse to the page containing the vulnerable field, potentially gaining elevated access or control over the victim's account or session. Scope is changed.
AnalysisAI
Stored XSS in Adobe Commerce and Magento Open Source enables a low-privileged attacker to inject persistent malicious JavaScript into vulnerable form fields, which executes in a victim's browser upon page visit - with scope change allowing script execution beyond the vulnerable component's security boundary, potentially enabling full account or session takeover. The CVSS 8.7 High score reflects network accessibility, low complexity, changed scope, and high confidentiality and integrity impact. …
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Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata
Vulnerability AssessmentAI
| Exploitation | A low-privileged account within the Adobe Commerce or Magento Open Source instance is required - CVSS PR:L confirms authentication is necessary, but only at the lowest privilege tier (e.g., a standard customer account). … Additional conditions and limiting factors are described in the full assessment. |
| Risk Assessment | The CVSS 8.7 High vector (AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:N) is internally consistent and credible for a stored XSS with scope change. … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in. |
| Exploit Scenario | Full exploit scenario with step-by-step reproduction available after sign-in. |
| Remediation | Apply Adobe's August 2026 security patches immediately. … Detailed patch versions, workarounds, and compensating controls in full report. |
Recommended ActionAI
Within 24 hours: identify all Adobe Commerce and Magento Open Source instances in production and document current versions; audit which form fields accept user input from low-privileged accounts. …
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External POC / Exploit Code
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