CVE-2026-7498
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 · uneditedImproper neutralization of input during web page generation ('cross-site scripting') vulnerability in Basamak Information Technology Consulting and Organization Trade Ltd. Co. DernekWeb allows Stored XSS. This issue affects DernekWeb: through 30122025.
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 confidenceStored XSS vulnerability in DernekWeb allows attackers to inject malicious JavaScript through unsanitized user input that is persisted on the server and executed when other users view the affected content.
Verify against the referenced sources before acting — the references below are authoritative for this CVE, this summary is not.
CVSS 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
- Unchanged
- Confidentiality
- High
- Integrity
- High
- Availability
- High
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
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 DernekWeb installation and versionLocate the DernekWeb application directory and check for version information in configuration files, README, or metadata files. Compare the installed version to any publicly disclosed version ranges for this CVE.Affected if The installed version of DernekWeb falls within the affected version range.
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Identify user input entry pointsReview the application to find all forms, fields, and APIs that accept user-supplied data such as user profiles, comments, messages, or content submission fields.Affected if The application stores and displays user input without sanitization.
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Test for stored XSS persistenceSubmit a benign test payload such as <script>alert('XSS')</script> or <img src=x onerror=alert('XSS')> through identified input fields. Wait for the data to be saved, then navigate to pages where this data would be displayed to see if the payload executes.Affected if The test payload is rendered and executes in another user's browser without encoding or escaping.
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Inspect application source code for output encodingReview the code that handles rendering of stored user data. Look for usage of context-aware output encoding functions such as HTML entity encoding, JavaScript escaping, or trusted template engines.Affected if User input is rendered directly to HTML/JS without applying output encoding functions.
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Check for input validation mechanismsExamine the application's input handling code for validation, sanitization, or filtering logic applied to user-submitted data before storage.Affected if No input validation or sanitization routines are implemented for stored data.
A defender is affected if DernekWeb is running a vulnerable version AND the application accepts user input that gets stored and displayed to other users without proper output 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 context-aware output encoding and input validation/sanitization for all user-supplied data before rendering in web pages.
- Consultation6.0 h
- Implementation20.0 h
- Testing12.0 h
- Review / QA6.0 h
An estimate, not a bill — we confirm scope with you before any work starts. Need it this week? Rush from $12,288.
Scan for this in your stack
Free · runs locallyCheck whether your project pulls in CVE-2026-7498 — 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-2026-7498 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
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