CVE-2025-63418: selfbest XSS — Exploit

Description

A DOM-based Cross-Site Scripting (XSS) vulnerability in the SelfBest platform 2023.3 allows attackers to execute arbitrary JavaScript in the context of a logged-in user's session by injecting payloads via the browser's developer console. The vulnerability arises from the application's client-side code being susceptible to direct DOM manipulation without adequate sanitization or a Content Security Policy (CSP), potentially leading to account takeover and data theft.

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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
selfbest	selfbest	All

References

Exploits

https://rohitchaudhary045.medium.com/cve-2025-63418-weaponizing-the-browser-console-a-dom-based-xss-deep-dive-25ed3ac9cb53 https://rohitchaudhary045.medium.com/cve-2025-63418-weaponizing-the-browser-console-a-dom-based-xss-deep-dive-25ed3ac9cb53

Frequently Asked Questions

What is CVE-2025-63418? +

A DOM-based Cross-Site Scripting (XSS) vulnerability in the SelfBest platform 2023.3 allows attackers to execute arbitrary JavaScript in the context of a logged-in user's session by injecting payloads via the browser's developer console. The vulnerability arises from the application's client-side code being susceptible to direct DOM manipulation without adequate sanitization or a Content Security Policy (CSP), potentially leading to account takeover and data theft. It has a CVSS v3.1 base score of 6.1 (MEDIUM).

How severe is CVE-2025-63418? +

CVE-2025-63418 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-2025-63418? +

CVE-2025-63418 affects products from selfbest, specifically: selfbest. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2025-63418? +

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-2025-63418