CVE-2025-63534
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 cross-site scripting (XSS) vulnerability exists in the Blood Bank Management System 1.0 within the login.php component. The application fails to properly sanitize or encode user-supplied input before rendering it in response. An attacker can inject malicious JavaScript payloads into the msg and error parameters, which are then executed in the victim's browser when the page is viewed.
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 exists in the login.php component of Blood Bank Management System 1.0. The msg and error parameters accept user-supplied input without proper sanitization or output encoding, allowing injection of malicious JavaScript that executes in victim browsers when the login 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= 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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Locate the login.php fileSearch the web server document root for login.php, typically found in the main application directory or web root of the Blood Bank Management System installationAffected if The login.php file exists and is accessible via the web server
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Verify the product and versionCheck for version information in source files (e.g., README, version.php, about.php) or the application header/footer for 'Blood Bank Management System' and version '1.0'Affected if The installed version is Blood Bank Management System 1.0
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Inspect the login.php code for msg and error parametersOpen login.php and search for occurrences of 'msg' and 'error' parameters in $_GET, $_POST, or $_REQUEST superglobals. Examine how these values are output to the page (e.g., echo, print, printf)Affected if The code retrieves msg or error parameters from user input and outputs them directly to HTML without visible sanitization functions such as htmlspecialchars, htmlentities, or equivalent encoding
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Check for output encoding on vulnerable parametersLook for functions like htmlspecialchars(), htmlentities(), or custom encoding applied to the msg/error variables before they are rendered in HTMLAffected if No output encoding function is applied to the msg or error parameters before they are displayed on the login page
A user is affected if they have Blood Bank Management System 1.0 running with the login.php file accessible and the msg or error parameters reflecting unsanitized user input to the 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 proper input validation and output encoding (e.g., HTML entity encoding) for the msg and error parameters in login.php to prevent XSS execution.
- Consultation1.0 h
- Implementation1.0 h
- Testing1.0 h
- Review / QA1.0 h
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Free · runs locallyCheck whether your project pulls in CVE-2025-63534 — 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-2025-63534 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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