CVE-2025-63708
Unknown Unknown - Not Provided
BaseFortify

Publication date: 2025-11-17

Last updated on: 2025-11-20

Assigner: MITRE

Description
Cross-Site Scripting (XSS) vulnerability exists in SourceCodester AI Font Matcher (nid=18425, 2025-10-10) that allows remote attackers to execute arbitrary JavaScript in victims' browsers. The vulnerability occurs in the webfonts API handling mechanism where font family names are not properly sanitized. An attacker can intercept fetch requests to the webfonts endpoint and inject malicious JavaScript payloads through font family names, resulting in session cookie theft, account hijacking, and unauthorized actions performed on behalf of authenticated users. The vulnerability can be exploited by injecting a fetch hook that returns controlled font data containing malicious scripts.
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Meta Information
Published
2025-11-17
Last Modified
2025-11-20
Generated
2026-05-07
AI Q&A
2025-11-17
EPSS Evaluated
2026-05-05
NVD
EUVD
Affected Vendors & Products
Showing 1 associated CPE
Vendor Product Version / Range
remyandrade ai_font_matcher 2025-10-10
Helpful Resources
Exploitability
CWE
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KEV
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CWE ID Description
CWE-79 The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users.
Attack-Flow Graph
AI Powered Q&A
Can you explain this vulnerability to me?

This vulnerability is a Cross-Site Scripting (XSS) issue in SourceCodester AI Font Matcher. It occurs because the webfonts API does not properly sanitize font family names, allowing remote attackers to inject malicious JavaScript code. Attackers can intercept requests to the webfonts endpoint and insert harmful scripts via font family names, which then execute in the victim's browser.


How can this vulnerability impact me? :

The vulnerability can lead to session cookie theft, account hijacking, and unauthorized actions performed on behalf of authenticated users. This means attackers can take over user sessions and perform malicious activities as if they were the legitimate user.


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