Adobe Experience Manager
CVE-2025-64592
MEDIUM
Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata – not a confirmed exploit chain
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AccessAuthenticate as low-privileged AEM user
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DeliveryInject script into vulnerable form field
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ExploitPayload stored in AEM
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ExecutionVictim browses affected page
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ImpactScript executes in victim browser context
Vulnerability Assessment
| Weakness |
CWE
OWASP Top 10:2025
A05:2025 - Injection
ASVS 5.0
V1 - Encoding and Sanitization Output encoding, context-aware escaping
MITRE ATT&CK
2 techniques across 2 tactics: Initial Access, Execution The technique list with ATT&CK links and the kill-chain view is part of the Basic plan and up. |
| Exploitation Conditions | Exploitation requires an authenticated account with at least low privileges in Adobe Experience Manager (PR:L) capable of writing to form fields that store user-supplied content, plus victim interaction: a target user must subsequently browse to the page rendering the injected field (UI:R). Affected deployments are AEM 6.5.23 and earlier, including AEM 6.5 LTS and AEM as a Cloud Service per the CPE data. Limiting factors that reduce real-world risk: the attacker cannot be fully unauthenticated, the payload only fires when a victim views the stored content, and impact is confined to in-browser script execution (Confidentiality/Integrity Low, no Availability impact). |
| Impact | This is a moderate-severity stored XSS (CVSS 5.4, CWE-79) that signals should be read as genuinely low-priority for most defenders. The CVSS vector (AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N) shows network reach and low complexity but requires an authenticated low-privileged account (PR:L) AND victim interaction (UI:R), which materially constrains exploitation. The scope change (S:C) reflects that injected script executes in a victim's browser context rather than only the AEM instance, but confidentiality and integrity impact are only Low and availability is None. Supporting signals agree with a low real-world priority: EPSS is 0.25% (15th percentile), there is no CISA KEV listing, and no public exploit code was identified. There is no conflict between the signals - a comparatively modest CVSS, low EPSS, absence of KEV, and no POC all point the same direction: a real but not urgent issue best handled in normal patch cadence. No contradictions between the vector and the description were found; the description's 'low privileged attacker' is consistent with PR:L, and 'executed when a victim browses' is consistent with UI:R. |
| Exploit ScenarioDerived | A low-privileged authenticated user (e.g., a content author or form editor) injects malicious JavaScript into a vulnerable AEM form field. The payload is stored and later executes in the browser of any victim - such as an administrator or another user - who navigates to the page containing that field, enabling session theft or actions in the victim's context. No public exploit code was identified at time of analysis, and successful attack depends on victim interaction (viewing the page). |
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Alert meAnalysisAIv1 – Oct 14, 2026
Stored cross-site scripting in Adobe Experience Manager 6.5.23 and earlier allows an authenticated, low-privileged user to inject malicious JavaScript into form fields, and that script then executes in the browser of any victim who later views the page containing the vulnerable field. The attacker cannot trigger the payload on their own - it requires a victim to browse the affected page, which is why the CVSS 3.1 vector (AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N, score 5.4) carries only Low Confidentiality and Integrity impact with no Availability impact and a scope change reflecting execution in the victim's browser context. Exploitation signals are weak: EPSS is 0.25% (roughly the 15th percentile), it is not listed in CISA KEV, and no public exploit code has been identified at time of analysis - this is a moderate-severity, low-priority issue for most defenders unless AEM form content is widely exposed to privileged or administrative users.
RemediationAI
Adobe has published a security advisory for this issue (APSB25-115, https://helpx.adobe.com/security/products/experience-manager/apsb25-115.html); remediation is patch available per vendor advisory, and the bulletin is the authoritative source for the exact fixed version, service pack, or hotfix applicable to each AEM track (6.5.x, 6.5 LTS, and AEM as a Cloud Service) - apply that update to every author, publish, and form-handling instance, then re-verify that no previously stored payloads remain in form fields. Where immediate patching is not possible, the highest-value compensating control is least-privilege tightening on form authoring: restrict the ability to create or edit form components to a small, trusted group and remove contributor rights from untrusted accounts, at the trade-off of increased editorial friction and administrative overhead. Deploying a Content Security Policy that disallows inline and third-party script origins on AEM delivery pages meaningfully reduces execution of injected script, though it can break legitimate AEM components and client-side libraries and requires careful testing. Output-encoding or sanitizing stored form values at render time (for example through a reverse-proxy or WAF rule stripping script markup from cached or served pages) is another option, but it introduces false-positive risk on legitimate rich content and does not clean the underlying stored data. Finally, ensure session cookies are flagged HttpOnly and Secure to blunt the most common XSS objective of session theft, and monitor for suspicious script content written into form fields as a detection backstop; note that none of these controls eliminate the vulnerability, so vendor patching remains the primary fix.
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Checking this CVE against your own stacks and servers is part of the Basic plan and up.
Technical ContextAI · show details
The root cause is CWE-79 (Improper Neutralization of Input During Web Page Generation), specifically the stored/persistent variant: user-supplied content written into AEM form fields is persisted server-side and later rendered back into pages without adequate output encoding or sanitization. Because the malicious payload is stored in the CMS rather than reflected in a request, every visitor to the affected page becomes a potential execution target, which is what drives the Scope change (S:C) in the CVSS vector - the injected script runs in the victim's browser origin rather than in the attacker's. The CPE data identifies the affected code base as Adobe Experience Manager across three tracks: the classic 6.5 line (explicitly version 6.5.23 and earlier), the 6.5 LTS channel, and AEM as a Cloud Service (aem_cloud_service). The vector's PR:L confirms that an authenticated account with at least low privileges is required - the attacker must be able to author or submit content that reaches the vulnerable form field - while UI:R confirms the victim must navigate to the page for the script to fire. The 5.4 score and Low/Low CIA ratings cap the realistic blast radius at in-browser script execution in the context of AEM-authenticated sessions, such as session or token theft, UI redressing, or unauthorized actions performed as the victim; there is no evidence in the supplied data of server-side code execution, privilege escalation, or data exfiltration beyond what the victim's browser session permits.
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Severity by source
AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
Authenticated low-privileged author injects stored script (PR:L), execution needs a victim to view the page (UI:R), and cross-context browser execution yields scope change with Low C/I and no availability impact.
Primary rating from Vendor (adobe).
CVSS VectorVendor: adobe
DescriptionCVE.org
Adobe Experience Manager versions 6.5.23 and earlier are 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.
Threat Intelligence Overview
How this decision was reached
The engine reads each signal below and applies a fixed list of rules from top to bottom. The first rule that matches sets the recommended action – like a statement, every line is shown.
What every action level means
SSVC AssessmentENISA
Priority Score
Attack Technique
Cross-Site Scripting occurs when an application accepts untrusted data and sends it to a web browser without proper validation or encoding.
Affected Products (CPE)CVE.org
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NVD
CVE.org
EPSS
GitHub PoC
Exploit-DB