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Adobe Experience Manager CVE-2026-27227

| EUVDEUVD-2026-74232 MEDIUM
Cross-site Scripting (XSS) (CWE-79)
2026-09-08 psirt@adobe.com GHSA-xfwq-3xw6-rrgp
XSS Adobe Experience Manager
5.4
CVSS 3.1 · Vendor: adobe
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Severity by source

Vendor (adobe) PRIMARY
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

AV:N for web-based injection; PR:L requires authenticated authoring access; UI:R for victim to browse the page; S:C reflects XSS scope change crossing browser security boundary.

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:A/VC:L/VI:L/VA:N/SC:L/SI:L/SA:N

Primary rating from Vendor (adobe).

CVSS VectorVendor: adobe

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

Lifecycle Timeline

2
Analysis Generated
Sep 09, 2026 - 01:21 vuln.today
CVE Published
Sep 08, 2026 - 20:17 nvd
MEDIUM 5.4

DescriptionCVE.org

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 allows a low-privileged authenticated attacker to inject persistent malicious JavaScript into vulnerable form fields. When a higher-privileged user (such as an administrator) browses the affected page, the script executes in their browser context, enabling session hijacking, credential theft, or UI redirection. …

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Attack ChainAIDerived

Hypothetical attack flow derived from CVE metadata

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Vulnerability AssessmentAI

Exploitation The attacker must hold a valid AEM account with at least low-level authoring or contributor privileges (PR:L) - unauthenticated exploitation is not possible per the CVSS vector. … Additional conditions and limiting factors are described in the full assessment.
Risk Assessment The CVSS base score of 5.4 (Medium) reflects the combination of low-privilege authentication requirement (PR:L) and required victim interaction (UI:R), which meaningfully constrain exploitability compared to unauthenticated or zero-click vulnerabilities. … 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 Consult Adobe security advisory APSB26-98 at https://helpx.adobe.com/security/products/experience-manager/apsb26-98.html for the official patch guidance. … Detailed patch versions, workarounds, and compensating controls in full report.
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CVE-2026-27227 vulnerability details – vuln.today
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