EUVD-2026-56850
GHSA-494v-287r-fm5v
Severity by source
AV:N/AC:H/PR:L/UI:R/S:C/C:H/I:H/A:N
Independent assessment aligns with vendor vector: low-privileged account required (PR:L), victim interaction required (UI:R), scope changes to victim session (S:C), AC:H per explicit vendor statement of conditions beyond attacker control.
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. Exploit depends on conditions beyond the attacker's control. Scope is changed.
AnalysisAI
Stored Cross-Site Scripting in Adobe Commerce and Magento Open Source allows a low-privileged authenticated attacker to persistently inject malicious JavaScript into vulnerable form fields, which then executes in the browser of any privileged user who views the affected page. The changed scope (S:C) is the defining risk amplifier: a successful exploitation targets an administrator or session-holding user whose browser context becomes fully compromised, enabling session hijacking or unauthorized actions without ever requiring admin credentials. …
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Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata
Vulnerability AssessmentAI
| Exploitation | Exploitation requires the attacker to hold a valid low-privileged account on the target Adobe Commerce or Magento Open Source instance, as confirmed by the CVSS PR:L metric - unauthenticated attackers cannot inject the payload. … Additional conditions and limiting factors are described in the full assessment. |
| Risk Assessment | The CVSS 3.1 vector AV:N/AC:H/PR:L/UI:R/S:C/C:H/I:H/A:N captures a meaningful tension: the raw score of 7.7 is elevated by the S:C scope change and high C/I impact, yet tempered by AC:H (conditions beyond attacker control must align) and UI:R (a privileged victim must actively browse the injected page). … 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 | Adobe has released August 2026 security patches for all affected branches. … Detailed patch versions, workarounds, and compensating controls in full report. |
Recommended ActionAI
Within 24 hours, conduct an immediate inventory of all Adobe Commerce and Magento Open Source deployments, identify versions in production, catalog all user accounts with form access, and review system logs from the past 30 days for signs of JavaScript injection in form submissions. …
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External POC / Exploit Code
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