CVE-2025-50866

MEDIUM

CloudClassroom-PHP-Project 1.0 - XSS

Title source: llm
STIX 2.1

Exploitation Summary

EIP tracks 1 public exploit for CVE-2025-50866. PoCs published by SacX-7.

AI-analyzed exploit summary The repository provides a detailed technical analysis of a reflected XSS vulnerability in CloudClassroom-PHP-Project 1.0, specifically in the email parameter of the postquerypublic endpoint. It includes reproduction steps and a crafted POST request demonstrating the exploit.

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.

Exploits (1)

nomisec WRITEUP
by SacX-7 · poc
https://github.com/SacX-7/CVE-2025-50866

The repository provides a detailed technical analysis of a reflected XSS vulnerability in CloudClassroom-PHP-Project 1.0, specifically in the email parameter of the postquerypublic endpoint. It includes reproduction steps and a crafted POST request demonstrating the exploit.

Classification
Writeup 90%
Attack Type
Xss
Complexity
Trivial
Reliability
Reliable
Target: CloudClassroom-PHP-Project 1.0
No auth needed
Prerequisites: Deployed vulnerable CloudClassroom-PHP-Project 1.0 instance
MITRE ATT&CK
devstral-2 · analyzed Feb 18, 2026 Full analysis →

References (1)

Core 1
Core References

Scores

CVSS v3 6.1
EPSS 0.0026
EPSS Percentile 17.3%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

CISA SSVC

Vulnrichment
Exploitation poc
Automatable no
Technical Impact partial

Details

CWE
CWE-79
Status published
Products (1)
vishalmathur/cloudclassroom 1.0
Published Jul 31, 2025
Tracked Since Feb 18, 2026