CVE-2018-4930
Official description Straight from the sourceThe vendor's or NVD's own wording, published unedited. Authoritative, but often terse — it says what broke, rarely what to do.
NVD · uneditedAdobe Experience Manager versions 6.3 and earlier have an exploitable Cross-site scripting vulnerability. Successful exploitation could lead to sensitive information disclosure.
Technical summary Written by usOur analysis, written from the advisory, the CVSS vector and the affected-version data. It adds context the advisory leaves out, and never invents facts that are not in the source.
dbcve analysis · moderate confidenceAdobe Experience Manager versions 6.3 and earlier contain a cross-site scripting (XSS) vulnerability that allows attackers to inject malicious scripts into web content viewed by other users, potentially leading to sensitive information disclosure such as session tokens or credentials.
Verify against the referenced sources before acting — the references below are authoritative for this CVE, this summary is not.
Affected products & versions What the vendor confirmedThe version ranges the vendor confirmed as vulnerable. If your version sits inside a range here, treat yourself as exposed until you have upgraded.
NVD · CPE data<= 6.3.0CVSS breakdown How the score is builtThe industry scoring standard. It rates how the flaw is reached, what it takes to exploit, and what an attacker gains — the score is derived from those, not the other way round.
From the vector- Attack vector
- Network
- Complexity
- Low
- Privileges
- None
- User interaction
- Required
- Scope
- Changed
- Confidentiality
- Low
- Integrity
- Low
- Availability
- None
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Am I affected? How to checkSteps we derive from the advisory and the affected-version data, so you can decide whether this CVE reaches your setup. They are a guide, not a scan — your own configuration is the authority.
dbcve checksWork through these to decide whether this CVE applies to you.
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Identify installed AEM versionAccess the AEM Welcome page and navigate to 'Help' > 'About Adobe Experience Manager', or access /crx/packmgr/packmgrService.jsp to retrieve the version number from the responseAffected if The displayed version is 6.3.0 or any version earlier than 6.3.0 (6.3, 6.2, 6.1, 6.0, 5.6.x, or earlier)
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Verify AEM web console is accessibleAttempt to access /system/console or the main AEM author/publish instance via browserAffected if The AEM web interface is accessible without additional security controls, as XSS requires user content viewing to be exploited
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Check for unauthenticated content accessReview whether AEM allows anonymous or unauthenticated access to content pages that render user-supplied inputAffected if Anonymous users or unauthenticated visitors can view content pages, as the XSS vulnerability affects web content viewed by other users
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Confirm AEM forms or user input components are activeInspect AEM for enabled components that accept and display user-generated content such as comments, reviews, or form submissionsAffected if Components that render user-supplied data in web pages are active and accessible to multiple users
Your environment is affected if Adobe Experience Manager version 6.3.0 or earlier is installed and web content pages are accessible to users who can inject and have others view content.
Generated from the published advisory. Verify against your own configuration.
Remediation Closing itWhat it takes to close this. Where a vendor fix exists we point at it; where none exists we say so plainly, and can build one. Effort estimates are scoped from the advisory, not from your codebase.
From vendor dataApply the appropriate Adobe security patch for AEM 6.3 and earlier versions. Implement output encoding and input validation for user-supplied data in affected components.
- Consultation4.0 h
- Implementation8.0 h
- Testing6.0 h
- Review / QA3.0 h
An estimate, not a bill — we confirm scope with you before any work starts. Need it this week? Rush from $5,888.
Scan for this in your stack
Free · runs locallyCheck whether your project pulls in CVE-2018-4930 — or any other known-vulnerable package — straight from your lock files. Free and open source; it runs locally and uploads nothing.
References Go to the primary sourcePrimary sources — vendor advisories, patches and trackers. Where our summary and a reference disagree, the reference wins.
Primary sourcesPractitioner notes
ContributedPeer-ranked notes from engineers who’ve handled CVE-2018-4930 in production — separate from our analysis above.
The advisory tells you what broke. It rarely tells you what actually worked. If you’ve dealt with this one, that detail is what the next engineer is searching for.
- The version that genuinely resolved it — not the one the vendor claimed
- A config change or rule that shut the vector down
- A gotcha in the upgrade path that cost you an afternoon
No notes yet
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- Verified mitigations, workarounds, and config changes
- Version or environment caveats, and links to real fixes
- No weaponised exploit code, or anything meant to cause harm
- No spam, self-promotion, credentials, or personal data