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Adobe Experience Manager CVE-2025-64572

MEDIUM
Cross-site Scripting (XSS) (CWE-79)
2025-12-10 psirt@adobe.com
5.4
CVSS 3.1 · Vendor: adobe
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Attack ChainAIDerived

Hypothetical attack flow derived from CVE metadata – not a confirmed exploit chain

  1. Access
    Authenticate as low-privileged AEM user
  2. Delivery
    Inject JavaScript into vulnerable form field
  3. Exploit
    Payload stored in AEM
  4. Execution
    Victim browses affected page
  5. Persist
    Script executes in victim browser
  6. Impact
    Session hijack or data theft

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 low-privileged account (PR:L) with the ability to submit/edit content into a vulnerable AEM form field, and it is a STORED XSS, so a payload is persisted and only fires when a victim user subsequently navigates to the page rendering that field (UI:R). This is therefore not a zero-interaction or pre-auth flaw: the attacker needs valid credentials with form-authoring/input capability, and a separate victim must view the affected page for the injected JavaScript to execute in their browser. Limiting factors: required prior authentication, required victim interaction, and impact confined to the browser context (no direct server compromise, A:N). Applies to Adobe Experience Manager 6.5.23 and earlier, including 6.5 LTS and AEM as a Cloud Service.

Impact

This is a moderate-severity stored XSS (CVSS 5.4) and the available signals are consistent in pointing to a LOWER real-world priority than a surface reading of 'XSS in a major enterprise CMS' might suggest. The CVSS vector (AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N) establishes network reachability and low complexity, but two meaningful friction factors are baked in: the attacker must already hold low-level authenticated privileges (PR:L) to inject into the vulnerable form field, and a victim must subsequently browse to the affected page (UI:R). The scope change (S:C) and dual Low confidentiality/integrity impact reflect that injected JavaScript executes in the victim's browser security context rather than the server's, with no availability impact (A:N). The EPSS score of 0.25% (15th percentile) is low and reinforces that automated mass exploitation is unlikely; stored XSS of this kind is typically leveraged in targeted or opportunistic post-authentication scenarios rather than internet-wide scanning. This CVE is NOT in CISA KEV and no public exploit code was provided in the intelligence set, so there is no confirmed active exploitation. Net assessment: a legitimate issue worth patching on a normal cycle, but not an emergency - the authentication requirement plus required user interaction materially bound its blast radius, and all exploitation/probability signals agree rather than conflict.

Exploit ScenarioDerived

A low-privileged authenticated user (e.g., a content author or form editor) injects a malicious JavaScript payload into a vulnerable AEM form field, which is then stored by the application. When a higher-privileged administrator or another end user later browses to the page rendering that field, the script executes in their browser, enabling session/cookie theft, actions-on-behalf, or UI manipulation. No public exploit code was identified at time of analysis, and successful exploitation depends on the victim actually viewing the affected page.

This Month Plan within 30 days. Why: MEDIUM severity (CVSS 4.0-6.9).
No patch listed yet 0.2% exploitation probability (EPSS)

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AnalysisAIv1 – Oct 15, 2026

Stored cross-site scripting in Adobe Experience Manager 6.5.23 and earlier lets an authenticated low-privileged user inject persistent JavaScript into vulnerable form fields, which then executes in the browser of any victim who subsequently views the affected page. The flaw requires both a valid authoring-level account with form-input capability and victim interaction, and its impact is confined to the browser context, so it is assessed as a moderate-priority issue (CVSS 5.4, EPSS 0.25%). No public exploit code or confirmed active exploitation was identified at time of analysis.

RemediationAI

Apply the vendor fix described in Adobe security bulletin APSB25-115 (https://helpx.adobe.com/security/products/experience-manager/apsb25-115.html), which addresses AEM 6.5.23 and earlier, 6.5 LTS, and AEM as a Cloud Service; upgrade to the most recent patched AEM 6.5 maintenance release or the current cloud service release as instructed by Adobe for each track. If immediate upgrade is not possible, reduce the attack surface by restricting form-authoring and content-input permissions to trusted accounts, since the flaw requires an authenticated low-privileged user to inject the payload; enable AEM's built-in XSS protection filters and deploy a strict Content Security Policy to limit script execution; and audit existing stored form-field content for injected scripts. These compensating controls carry trade-offs: tightening ACLs can disrupt legitimate authoring workflows, and a strict CSP may break inline scripts relied upon by custom AEM components, so test changes in a staging environment before production rollout.

Affects your stack

Find out whether the stacks and servers you run are on an affected version.

Checking this CVE against your own stacks and servers is part of the Basic plan and up.

Technical ContextAI · show details

This is a CWE-79 cross-site scripting flaw of the stored (persistent) variety, mapped to Adobe Experience Manager's form field functionality. AEM is a Java-based enterprise content management system; form fields are rendered server-side and stored in the repository, so a low-privileged authenticated author who can submit or edit content into such a field can persist a script payload that is later served to other users. Because the payload is stored, the malicious JavaScript executes in the victim's browser when the page containing the field is browsed, crossing from the attacker's browser context into other users' sessions (CVSS scope change S:C) but not yielding direct server compromise (availability impact A:N). The provided CPE strings cover AEM 6.5.23 and earlier, the 6.5 LTS track, and AEM as a Cloud Service, indicating that all three delivery models of the affected 6.5 line share the vulnerable form-field handling.

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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

Stored XSS requires a low-privileged authenticated injector (PR:L) and a victim page view (UI:R); script runs cross-context (S:C) with Low 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:N/VI:N/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

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

EPSS Score
0.2%
Top 85% exploitable
Prevalence
High
widely deployed enterprise CMS used by large organizations globally
Data Quality
3 sources
Confidence: Low

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.

SignalValue
Severity MEDIUM
CISA KEV No
Public POC No
EPSS 0.2%
Patch available No
Active threat No
Deciding rule
MEDIUM severity (CVSS 4.0-6.9)
What every action level means
Emergency Immediate action required. Criteria: CRITICAL + in CISA KEV (actively exploited) without patch, OR CRITICAL + EPSS > 30% without patch, OR CRITICAL + active threat signals without patch.
Act Now Prioritize within 24-48h. Criteria: in KEV with patch available, OR CRITICAL + public POC, OR HIGH + EPSS > 10%, OR CRITICAL + active threat, OR any CRITICAL severity.
This Week Schedule remediation this week. Criteria: HIGH severity (CVSS 7.0-8.9). Patch within normal change window.
This Month Plan within 30 days. Criteria: MEDIUM severity (CVSS 4.0-6.9), lower exploitation probability. Include in regular patch cycle.
Monitor Track and reassess. Criteria: LOW severity (CVSS 0.1-3.9), minimal exploitation risk. No immediate action needed.

SSVC AssessmentENISA

SSVC Decision· derived
Scheduled
Exploitation· derived
None
System Exposure· derived
Open
Automatable· derived
No
Human Impact· derived
High

Priority Score

27
Low Medium High Critical
KEV: 0
EPSS: 0
CVSS: +27
PoC: 0
Weaponized: 0
Threat intel: 0
Gov advisory: 0

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

cpe:2.3:a:adobe:experience_manager:*:*:*:*:-:*:*:*
cpe:2.3:a:adobe:experience_manager:*:*:*:*:aem_cloud_service:*:*:*
cpe:2.3:a:adobe:experience_manager:6.5:-:*:*:lts:*:*:*
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