CVE-2023-29442
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 · uneditedZoho ManageEngine Applications Manager before 16400 allows proxy.html DOM XSS.
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 · high confidenceDOM-based Cross-Site Scripting (XSS) vulnerability in Zoho ManageEngine Applications Manager's proxy.html page allows attackers to inject malicious JavaScript into the page DOM, potentially leading to session hijacking, cookie theft, or phishing attacks.
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< 16.3= 16.3CVSS 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:3.1/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 Applications Manager versionLocate the version information for your ManageEngine Applications Manager installation. This is typically visible in the product's web interface header, or in a version file within the installation directory.Affected if The installed version is lower than 16.3 or exactly equals 16.3 (versions prior to 16400 are affected).
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Confirm proxy.html page accessibilityAccess the proxy.html page within your Applications Manager installation by navigating to the admin interface and locating the proxy.html endpoint, or by accessing it directly if the URL structure is known.Affected if The proxy.html page is accessible and responds without authentication errors, indicating the page is exposed.
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Check admin interface exposureDetermine whether the Applications Manager admin interface is exposed to untrusted networks or the internet. Verify network access controls and firewall rules.Affected if The admin interface (including proxy.html) is reachable from untrusted network segments or external IP addresses.
Your environment is affected if Applications Manager version is 16.3 or earlier (below 16400) AND the proxy.html page is accessible to potential attackers.
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.
dbcve · scoped16.3
Upgrade to Applications Manager version 16400 or later to obtain the patch. Until then, restrict access to the admin interface and implement Content Security Policy headers as a compensating control.
Applications Manager version 16400 or later
- 1. Back up the current Applications Manager installation and database before proceeding with the upgrade
- 2. Download the latest version of ManageEngine Applications Manager (version 16400 or later) from the official ManageEngine download portal
- 3. Stop the Applications Manager service to ensure a clean upgrade process
- 4. Install or upgrade to Applications Manager version 16400 or later following the standard upgrade procedures documented in the product manual
- 5. After upgrade completion, verify the proxy.html functionality to confirm the XSS vulnerability is remediated
- 6. Restart the Applications Manager service
- 7. Monitor for any abnormal behavior and validate that the application is functioning normally
Generated from the published advisory — verify against the referenced sources before acting.
- Consultation2.0 h
- Implementation3.0 h
- Testing3.0 h
- Review / QA2.0 h
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Scan for this in your stack
Free · runs locallyCheck whether your project pulls in CVE-2023-29442 — 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-2023-29442 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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A place for practitioners to share what actually worked: a mitigation you’ve tested, a configuration change, a version- or environment-specific caveat, or a link to a verified patch. The most useful notes rise to the top as peers upvote them, so the signal stays high.
- 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