CVE-2018-14499
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 · uneditedAn issue was found in HYBBS through 2016-03-08. There is an XSS vulnerablity via an article title to post.html.
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 confidenceHYBBS through version 2016-03-08 contains a stored Cross-Site Scripting (XSS) vulnerability where malicious JavaScript can be injected via the article title field and executed when the post.html page renders the unsanitized input.
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<= 2016-03-08CVSS 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 HYBBS versionLocate the version file or version constant in the HYBBS installation directory (commonly in a config or core file). Check the version date or number against the 2016-03-08 baseline.Affected if The installed version date is 2016-03-08 or earlier.
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Verify article title storage mechanismExamine how article titles are saved to the database. Check if the backend code applies any input validation or sanitization before storing user-submitted titles.Affected if No server-side input validation is performed on the article title field before storage.
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Inspect post.html template for output encodingOpen the post.html template file in the theme or view directory. Locate the code that outputs the article title variable (often within title tags or content display areas).Affected if The title is output directly without HTML entity encoding or escaping functions (such as htmlspecialchars or equivalent).
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Test for stored XSS reflectionSubmit a test article with a benign XSS payload in the title field (e.g., <script>alert(1)</script>). View the article in post.html and check if the script executes or appears unescaped in the page source.Affected if The payload renders as raw HTML/JavaScript rather than being displayed as harmless text.
You are affected if your HYBBS version is 2016-03-08 or earlier AND the post.html template renders article titles without HTML entity encoding.
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 dataImplement strict input validation on article titles and apply proper output encoding/escaping (HTML entity encoding) when rendering user-submitted titles in post.html to prevent script execution.
- Consultation3.0 h
- Implementation6.0 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-2018-14499 — 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-2018-14499 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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- Version or environment caveats, and links to real fixes
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