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CVE-2022-25581

HighPublished

Classcms v2.5 and below contains an arbitrary file upload via the component \class\classupload. This vulnerability allows attackers to execute code...

Published: Mar 18, 2022
Updated: Aug 3, 2024
Assigning CNA: mitre
Evidence observed: Aug 5, 2026

Primary CVSS

7.8/ 10High

nvd · CVSS 3.1

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

EPSS probability estimate

1.2%

Low · next 30 days

Percentile: 65.7%
Model date: Sep 21, 2026

EPSS is a statistical estimate, not a certainty or a measure of impact. Combine it with CVSS, KEV status, exposure and your environment.

Summary

Classcms v2.5 and below contains an arbitrary file upload via the component \class\classupload. This vulnerability allows attackers to execute code injection via a crafted .txt file.

Sources

CVE-2022-25581Exploit
Python exploit script for CVE-2022-25581 (ClassCMS 2.4 arbitrary file download) that automates login, CSRF token extraction, malicious zip upload with webshell, and remote shell access via URL parsing bypass.

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