CVE-2026-27088
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 G5Theme Darna Framework darna-framework allows Reflected XSS.This issue affects Darna Framework: from n/a through <= 2.9.
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 confidenceReflected XSS vulnerability in G5Theme Darna Framework versions 2.9 and below allows attackers to inject malicious scripts through improper neutralization of user input during web page generation. The vulnerability is network-exploitable with low attack complexity, requiring user interaction (e.g., clicking a crafted link).
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
- Changed
- Confidentiality
- Low
- Integrity
- Low
- Availability
- Low
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:L
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 Darna Framework installation and versionLocate the framework's version file or header - typical locations include a version.php, composer.json, or framework configuration file in the theme/plugin directory. Check for files named 'darna', 'framework', or G5Theme branding files.Affected if The framework is present and reports version 2.9 or lower.
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Confirm framework is processing HTTP requestsReview the application's entry point and routing configuration to verify the framework handles incoming HTTP requests and generates HTML responses. Check if user-supplied parameters are being read from $_GET, $_POST, or $_REQUEST superglobals.Affected if The framework processes user input from HTTP requests and includes it in generated web pages.
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Identify reflected input points in application codeSearch the codebase for instances where request parameters are directly output into HTML without visible encoding functions. Look for patterns like echo $_GET['parameter'], echo $input, or similar direct output of user data.Affected if Code exists that takes user input and reflects it directly into HTML output without encoding.
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Test for XSS in browserUsing a browser, inject a test payload such as <script>alert('XSS')</script> into URL parameters on pages served by the Darna Framework. Observe if the payload executes or appears unescaped in the page source.Affected if The test payload executes as JavaScript or renders as raw HTML in the browser response.
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Check input validation or encoding implementationExamine the framework's core files for functions that sanitize, validate, or encode user input before output. Look for use of htmlspecialchars, strip_tags, or similar functions in the data flow from input to output.Affected if No input validation or output encoding is implemented for user-supplied data reflected in pages.
You are affected if G5Theme Darna Framework version 2.9 or below is installed and user-provided input is reflected into HTML pages without proper 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 contextual output encoding and input validation/sanitization across all user-supplied input points in the framework, particularly in areas where input is reflected back into HTML pages.
- Consultation4.0 h
- Implementation12.0 h
- Testing6.0 h
- Review / QA3.0 h
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Free · runs locallyCheck whether your project pulls in CVE-2026-27088 — 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-2026-27088 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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