CVE-2018-18262
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 OpManager 12.3 before build 123214 has 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 confidenceZoho ManageEngine OpManager version 12.3 before build 123214 contains a Cross-Site Scripting (XSS) vulnerability. This allows attackers to inject malicious scripts into web pages viewed by other users, potentially stealing session cookies, credentials, or performing actions on behalf of victims.
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= 12.3CVSS 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:3.0/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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Confirm OpManager installationLocate the ManageEngine OpManager installation directory or check for the OpManager service running on the server. Access the web administration console by navigating to the OpManager URL (typically http://<server>:8080 or https://<server>:8443).Affected if OpManager is installed and accessible via web browser.
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Retrieve the build versionLog into the OpManager web console as an administrator. Navigate to the About or Settings page to view the exact build number. Alternatively, check the build.info or version file in the OpManager installation directory if accessible.Affected if The build number displayed is below 123214.
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Confirm the web interface is enabledVerify that the OpManager web server is running and accessible by attempting to load the login page in a web browser. The XSS vulnerability exists in the web application interface.Affected if The web interface is running and reachable.
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Review recent web access logsExamine the OpManager web server logs for suspicious patterns such as unencoded HTML tags, script tags, or JavaScript event handlers in request parameters that may indicate exploitation attempts.Affected if Logs contain requests with malicious script content in parameters that are reflected in responses without proper encoding.
The environment is affected if ManageEngine OpManager version 12.3 is running with a build number lower than 123214 and the web interface is accessible.
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 dataUpgrade ManageEngine OpManager to build 123214 or later. As a compensating control, implement input validation, output encoding, and Content Security Policy headers to mitigate XSS risk until patching is completed.
- Consultation2.0 h
- Implementation4.0 h
- Testing3.0 h
- Review / QA2.0 h
An estimate, not a bill — we confirm scope with you before any work starts. Need it this week? Rush from $3,088.
Scan for this in your stack
Free · runs locallyCheck whether your project pulls in CVE-2018-18262 — 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-2018-18262 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