CVE-2026-5010
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 · uneditedA reflected Cross-Site Scripting (XSS) vulnerability has been discovered in Clickedu. This vulnerability allows an attacker to execute JavaScript code in the victim’s browser by sending them a malicious URL using the endpoint “/user.php/”. This vulnerability can be exploited to steal sensitive user data, such as session cookies, or to perform actions on the user’s behalf.
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 confidenceA reflected Cross-Site Scripting (XSS) vulnerability exists in the Clickedu application at the '/user.php/' endpoint. Attackers can embed malicious JavaScript payloads into URL parameters that get reflected back to the victim's browser without proper sanitization, allowing execution of arbitrary JavaScript code in the context of the user's session.
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
- Authentication
- X
- User interaction
- A
- Scope
- X
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
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 if Clickedu is deployedSearch for Clickedu installation directories, check web server configuration files (e.g., Apache, Nginx, IIS) for Clickedu virtual hosts or document roots, or query running web services for Clickedu-specific responsesAffected if Clickedu application is found to be running in the environment
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Determine Clickedu versionCheck application files for version indicators such as version.php, CHANGELOG files, or examine the HTTP Server header or application-specific metadata. Compare the installed version against any known version ranges provided by the vendorAffected if The installed version is unpatched and falls within an affected version range (if known), or the version cannot be determined and the application uses the vulnerable endpoint
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Verify /user.php/ endpoint accessibilityAttempt to access the /user.php/ endpoint via HTTP/HTTPS request and observe the response. Confirm the endpoint responds and returns user-related contentAffected if The /user.php/ endpoint is accessible and functional in the environment
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Inspect parameter handling for reflected inputAnalyze the application's response when supplying test parameters to /user.php/ (e.g., /user.php/?test=<script>). Review application source code in user.php to confirm whether URL parameters are echoed back in responses without encoding or sanitizationAffected if URL parameters are reflected in the response without proper output encoding or input validation, enabling script injection
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Check for exploitation indicators in logsReview web server access logs and application logs for suspicious requests to /user.php/ containing XSS payloads (e.g., <script>, javascript:, onerror=) in URL parametersAffected if Log entries show anomalous requests with XSS-like patterns targeting the /user.php/ endpoint indicating potential scanning or exploitation attempts
The environment is affected if Clickedu is deployed, the /user.php/ endpoint is accessible, and user-supplied URL parameters are reflected in responses without sanitization, allowing script execution in a victim's browser.
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 input validation and output encoding on all user-supplied data in the '/user.php/' endpoint, and consider deploying a Web Application Firewall (WAF) as an additional layer of defense.
- Consultation3.0 h
- Implementation6.0 h
- Testing4.0 h
- Review / QA2.0 h
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Free · runs locallyCheck whether your project pulls in CVE-2026-5010 — 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-2026-5010 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
- No weaponised exploit code, or anything meant to cause harm
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