CVE-2023-31705
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 in Sourcecodester Task Reminder System 1.0 allows an authenticated user to inject malicious javascript into the page parameter.
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 confidenceA reflected cross-site scripting (XSS) vulnerability in Sourcecodester Task Reminder System 1.0 allows an authenticated user to inject malicious JavaScript via the 'page' parameter. The unsanitized user input is reflected back in the HTTP response, enabling script execution in the victim's browser.
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= 1.0CVSS 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
- Low
- User interaction
- Required
- Scope
- Changed
- Confidentiality
- Low
- Integrity
- Low
- Availability
- None
CVSS:3.1/AV:N/AC:L/PR:L/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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Verify Task Reminder System versionLocate and inspect the application version identifier (typically in about page, footer, or version configuration file). Compare your installed version to the affected range (1.0).Affected if Your installed version is exactly 1.0
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Confirm application is runningIdentify the web application's entry point and verify it is operational. Check if the application responds to HTTP requests.Affected if The Task Reminder System is actively running
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Identify page parameter usageReview the application's request handling logic to locate where the 'page' GET parameter is processed and reflected in HTTP responses.Affected if The 'page' parameter is accepted and reflected in responses without sanitization
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Verify authentication is in placeCheck whether user authentication is required to access the affected functionality that uses the 'page' parameter.Affected if An authenticated user session can be obtained and the 'page' parameter is processed within an authenticated context
You are affected if you are running Task Reminder System version 1.0 and the 'page' parameter is processed and reflected in HTTP responses without sanitization within an authenticated session.
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 proper input validation and output encoding for the 'page' parameter. Additionally, configure Content-Security-Policy (CSP) headers to mitigate XSS attacks.
- Consultation2.0 h
- Implementation2.0 h
- Testing2.0 h
- Review / QA1.0 h
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Scan for this in your stack
Free · runs locallyCheck whether your project pulls in CVE-2023-31705 — 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-2023-31705 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
- No weaponised exploit code, or anything meant to cause harm
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