Path Traversal in Hangzhou Kuozhi Network Technology Co., Ltd. Edusoho
CVE-2023-7335
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).
Vulnerability class: Path Traversal (Directory Traversal)
Published · last modified .
EPSS exploit prediction
EPSS: 0.008 (53.8th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 54th percentile — 53.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.007 · newest: 0.008 · change: +0.001
Affected products
- Hangzhou Kuozhi Network Technology Co., Ltd. Edusoho — versions 0
Weakness classification (CWE)
References
- www.edusoho.com/ (product)
- github.com/edusoho/edusoho/releases/tag/v22.4.7 (release-notes, patch)
- cn-sec.com/archives/2451582.html (technical-description, exploit)
- blog.csdn.net/qq_41904294/article/details/135007351 (technical-description, exploit)
- github.com/zeroChen00/exp-poc/blob/main/EduSoho教培系统classropm-course-statistics存… (exploit)
- github.com/gobysec/GobyVuls/blob/master/CNVD-2023-03903.md (exploit)
- www.cnvd.org.cn/flaw/show/CNVD-2023-03903 (government-resource, vdb-entry)
- www.vulncheck.com/advisories/edusoho-arbitrary-file-read-via-classroom-course-s… (third-party-advisory)