CVE-2025-63714: modern user XSS — Exploit

Description

Cross-Site Scripting (XSS) vulnerability in SourceCodester User Account Generator 1.0 allows remote attackers to execute arbitrary JavaScript code in the context of the user's browser session via crafted input in the Username Prefix field. The vulnerability exists due to improper sanitization of user-supplied input when rendering generated account data to the DOM, allowing persistent injection of malicious HTML elements that execute when clicked by users.

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CVSS v3.1 Score

6.1

MEDIUM

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Weakness Type (CWE)

CWE-79 Cross-site Scripting (XSS)

Affected Products

Vendor	Product	Versions
remyandrade	modern_user_account_generator	All

References

Exploits

https://github.com/floccocam-cpu/CVE-Research-2025/blob/main/CVE-2025-63714/README10.md

Other References

https://www.sourcecodester.com/javascript/18430/modern-user-account-generator-using-html-css-and-javascript-source-code.html

Frequently Asked Questions

What is CVE-2025-63714? +

Cross-Site Scripting (XSS) vulnerability in SourceCodester User Account Generator 1.0 allows remote attackers to execute arbitrary JavaScript code in the context of the user's browser session via crafted input in the Username Prefix field. The vulnerability exists due to improper sanitization of user-supplied input when rendering generated account data to the DOM, allowing persistent injection of malicious HTML elements that execute when clicked by users. It has a CVSS v3.1 base score of 6.1 (MEDIUM).

How severe is CVE-2025-63714? +

CVE-2025-63714 has a CVSS v3.1 score of 6.1 out of 10, rated MEDIUM. This is a medium-severity vulnerability that should be remediated as part of regular maintenance.

What products are affected by CVE-2025-63714? +

CVE-2025-63714 affects products from remyandrade, specifically: modern_user_account_generator. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2025-63714? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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