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Adobe Experience Manager CVE-2026-84397

| EUVDEUVD-2026-80895 MEDIUM
Cross-site Scripting (XSS) (CWE-79)
2026-09-16 adobe GHSA-rwqw-vmpp-qf38
5.4
CVSS 3.1 · NVD
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Severity by source

Vendor (adobe) PRIMARY
MEDIUM
qualitative
NVD
5.4 MEDIUM
AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
vuln.today AI
5.4 MEDIUM

Authenticated low-priv author injects (PR:L), victim must render the page (UI:R), stored XSS crosses into victim browser context (S:C) with limited C/I and no availability impact.

3.1 AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
4.0 AV:N/AC:L/AT:N/PR:L/UI:P/VC:L/VI:L/VA:N/SC:L/SI:L/SA:N

Primary rating from Vendor (adobe).

CVSS VectorNVD

Attack Vector
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
Required
Scope
Changed
Confidentiality
Low
Integrity
Low
Availability
None

Lifecycle Timeline

1
Analysis Generated
Sep 16, 2026 - 17:46 vuln.today

DescriptionNVD

Adobe Experience Manager 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. Scope is changed.

AnalysisAI

Stored cross-site scripting in Adobe Experience Manager lets a low-privileged authenticated attacker (CVSS vector PR:L) persist malicious JavaScript into vulnerable form fields, which then executes in the browser of any user who later views the affected page (UI:R), driving the score to 5.4 with a changed scope (S:C) because the impact lands on the victim's session rather than the vulnerable component itself. The affected line-up is AEM as a Cloud Service, AEM 6.5 LTS, and AEM 6.5, and exploitation is not self-contained: the attacker needs an account able to write into the form field and must wait for a separate, ideally higher-privileged, victim to browse that page. …

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Attack ChainAIDerived

Hypothetical attack flow derived from CVE metadata

Access
technique details hidden
Delivery
technique details hidden
Exploit
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Execution
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Persist
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Impact
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Vulnerability AssessmentAI

Exploitation Exploitation requires: (1) an authenticated low-privileged account with access to write into a vulnerable form field in Adobe Experience Manager (PR:L - not anonymous), and (2) a victim user subsequently browsing the page that renders the injected field (UI:R). … Additional conditions and limiting factors are described in the full assessment.
Risk Assessment This is a genuinely moderate, not high-priority, issue. … 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 No exact fixed version is provided in the available data, so the primary action is to follow Adobe Security Bulletin apsb26-98 (https://helpx.adobe.com/security/products/experience-manager/apsb26-98.html) and apply the vendor-designated update or hotfix for your AEM as a Cloud Service, AEM 6.5 LTS, or AEM 6.5 deployment; cloud service instances are updated by Adobe on the service schedule, while 6.5 customers must install the corresponding service pack or hotfix. … Detailed patch versions, workarounds, and compensating controls in full report.

Threat intelligence, references, and detailed analysis are available after sign-in.

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CVE-2026-84397 vulnerability details – vuln.today

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