EUVD-2026-74146
GHSA-323g-9r9r-3c9p
Severity by source
AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
PR:L reflects required contributor account; UI:R for victim page-visit trigger; S:C for browser context escape; C:L/I:L for session theft and DOM manipulation; A:N as no availability impact applies.
Primary rating from Vendor (adobe).
CVSS VectorVendor: adobe
Lifecycle Timeline
2DescriptionCVE.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, network-accessible attacker to inject persistent malicious JavaScript into vulnerable form fields, which then executes in any victim's browser upon visiting the affected page. Scope change (S:C) confirms the attack crosses from the application server context into the victim's browser security context, enabling session hijacking, credential theft, or further phishing within the authenticated AEM environment. …
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Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata
Vulnerability AssessmentAI
| Exploitation | Attacker must hold a low-privileged AEM account (PR:L) with write access to at least one form field susceptible to stored XSS - such as a content authoring component that lacks server-side output encoding. … Additional conditions and limiting factors are described in the full assessment. |
| Risk Assessment | The CVSS 5.4 Medium score is technically appropriate: scope change elevates what would otherwise be a lower-severity stored XSS because the attacker's payload executes in a distinct browser security context, enabling session token theft and privilege escalation beyond the attacker's original footprint. … 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 the patches documented in Adobe Security Bulletin APSB26-98, available at https://helpx.adobe.com/security/products/experience-manager/apsb26-98.html. … Detailed patch versions, workarounds, and compensating controls in full report. |
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External POC / Exploit Code
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