CVE-2025-46178

Medium

Published: 09 June 2025

Published

09 June 2025

Modified

02 July 2025

KEV Added

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Patch

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CVSS Score v3.1 6.1 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

EPSS Score 0.0017 37.9th percentile

Risk Priority 12 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2025-46178 is a medium-severity Cross-site Scripting (CWE-79) vulnerability in Vishalmathur Cloudclassroom-Php Project. Its CVSS base score is 6.1 (Medium).

Operationally, exploitation aligns with the MITRE ATT&CK technique Exploit Public-Facing Application (T1190); ranked at the 37.9th percentile by exploit likelihood (below the median); it is not currently listed in the CISA KEV catalog.

EU & UK References

🇪🇺 ENISA EUVD: EUVD-2025-17508

Vulnerability details

Cross-Site Scripting (XSS) vulnerability exists in askquery.php via the eid parameter in the CloudClassroom PHP Project. This allows remote attackers to inject arbitrary JavaScript in the context of a victim s browser session by sending a crafted URL, leading to…

session hijacking or defacement.

CWE(s): CWE-79

Related Threats

MITRE ATT&CK Enterprise TechniquesAI

T1190 Exploit Public-Facing Application Initial Access

Adversaries may attempt to exploit a weakness in an Internet-facing host or system to initially access a network.

attack.mitre.org →

T1185 Browser Session Hijacking Collection

Adversaries may take advantage of security vulnerabilities and inherent functionality in browser software to change content, modify user-behaviors, and intercept information as part of various browser session hijacking techniques.

attack.mitre.org →

T1539 Steal Web Session Cookie Credential Access

An adversary may steal web application or service session cookies and use them to gain access to web applications or Internet services as an authenticated user without needing credentials.

attack.mitre.org →

T1491 Defacement Impact

Adversaries may modify visual content available internally or externally to an enterprise network, thus affecting the integrity of the original content.

attack.mitre.org →

Why these techniques?

XSS via crafted URL enables exploitation of public-facing web app (T1190), arbitrary JS execution for browser session hijacking (T1185), stealing web session cookies (T1539), and page defacement (T1491).