CVE-2025-50866: cloudclassroom XSS (CVSS 6.1)

Description

CloudClassroom-PHP-Project 1.0 contains a reflected Cross-site Scripting (XSS) vulnerability in the email parameter of the postquerypublic endpoint. Improper sanitization allows an attacker to inject arbitrary JavaScript code that executes in the context of the user s browser, potentially leading to session hijacking or phishing attacks.

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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
vishalmathur	cloudclassroom	All

References

Other References

https://github.com/SacX-7/CVE-2025-50866

Frequently Asked Questions

What is CVE-2025-50866? +

CloudClassroom-PHP-Project 1.0 contains a reflected Cross-site Scripting (XSS) vulnerability in the email parameter of the postquerypublic endpoint. Improper sanitization allows an attacker to inject arbitrary JavaScript code that executes in the context of the user s browser, potentially leading to session hijacking or phishing attacks. It has a CVSS v3.1 base score of 6.1 (MEDIUM).

How severe is CVE-2025-50866? +

CVE-2025-50866 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-2025-50866? +

CVE-2025-50866 affects products from vishalmathur, specifically: cloudclassroom. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2025-50866? +

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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