Description
EduSoho versions prior to 22.4.7 contain an arbitrary file read vulnerability in the classroom-course-statistics export functionality. A remote, unauthenticated attacker can supply crafted path traversal sequences in the fileNames[] parameter to read arbitrary files from the server filesystem, including application configuration files such as config/parameters.yml that may contain secrets and database credentials. Exploitation evidence was observed by the Shadowserver Foundation on 2026-01-19 (UTC).
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| Hangzhou Kuozhi Network Technology | EduSoho | < 22.4.7 | 22.4.7 |
Automated scanner template
A ready-made Nuclei template detects this vulnerability automatically. Vulnerabilities with public scanner templates are typically probed across the internet soon after the template appears — exposed systems should be patched first.
- EduSoho < 22.4.7 - Unauthenticated Arbitrary File Read http/cves/2023/CVE-2023-7335.yaml
Source: projectdiscovery/nuclei-templates (MIT) — updated daily. Only links are listed.
References
- https://www.edusoho.com/ product
- EduSoho 22.4.7 Release Notes release-notes patch
- https://cn-sec.com/archives/2451582.html technical-description exploit
- https://blog.csdn.net/qq_41904294/article/details/135007351 technical-description exploit
- https://github.com/zeroChen00/exp-poc/blob/main/EduSoho%E6%95%99%E5%9F%B9%E7%B3%BB%E7%BB%9Fclassropm-course-statistics%E5%AD%98%E5%9C%A8%E4%BB%BB%E6%84%8F%E6%96%87%E4%BB%B6%E8%AF%BB%E5%8F%96%E6%BC%8F%E6%B4%9E.md exploit
- https://github.com/gobysec/GobyVuls/blob/master/CNVD-2023-03903.md exploit
- https://www.cnvd.org.cn/flaw/show/CNVD-2023-03903 government-resource vdb-entry
- https://www.vulncheck.com/advisories/edusoho-arbitrary-file-read-via-classroom-course-statistics third-party-advisory