CVE-2025-63639: faq bot with ai XSS — Exploit

Description

The chat feature in the application Sourcecodester FAQ Bot with AI Assistant v1.0 is vulnerable to Cross-Site Scripting (XSS) due to improper handling of user-supplied input. An attacker can inject malicious HTML or JavaScript into chat messages, which executes in the browser of any user viewing the conversation.

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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	faq_bot_with_ai_assistant	All

References

Exploits

https://github.com/ChuckBartowski7/Vulnerability-Research/blob/main/CVE-2025-63639/README.md

Other References

https://www.sourcecodester.com/javascript/18413/faq-bot-ai-assistant-using-html-css-and-javascript-source-code.html

Frequently Asked Questions

What is CVE-2025-63639? +

The chat feature in the application Sourcecodester FAQ Bot with AI Assistant v1.0 is vulnerable to Cross-Site Scripting (XSS) due to improper handling of user-supplied input. An attacker can inject malicious HTML or JavaScript into chat messages, which executes in the browser of any user viewing the conversation. It has a CVSS v3.1 base score of 6.1 (MEDIUM).

How severe is CVE-2025-63639? +

CVE-2025-63639 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-2025-63639? +

CVE-2025-63639 affects products from remyandrade, specifically: faq_bot_with_ai_assistant. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2025-63639? +

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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CVE-2025-63639