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CVE-2023-7335

EduSoho < 22.4.7 Arbitrary File Read via classroom-course-statistics

HIGH
8.7
CVSS Score
Published: January 22, 2026 at 04:55 PM UTC
Updated: July 15, 2026 at 02:14 PM UTC
1 product affected across 1 vendorEduSoho

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Severity
HIGH8.7
Exploit prediction
EPSS 0.8%
SSVC
PoC

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

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

EduSoho· Hangzhou Kuozhi Network
60%
v < 22.4.7
Affected range stops below 22.4.7, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

Patch and advisory references

References (8)

Product
Source: cverecord
https://www.edusoho.com/
Release NotesPatch
Source: cverecord
https://github.com/edusoho/edusoho/releases/tag/v22.4.7
Technical DescriptionExploit
Source: cverecord
https://cn-sec.com/archives/2451582.html
Technical DescriptionExploit
Source: cverecord
https://blog.csdn.net/qq_41904294/article/details/135007351
Exploit
Source: cverecord
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
Source: cverecord
https://github.com/gobysec/GobyVuls/blob/master/CNVD-2023-03903.md
US Government ResourceVDB Entry
Source: cverecord
https://www.cnvd.org.cn/flaw/show/CNVD-2023-03903
Third Party Advisory
Source: cverecord
https://www.vulncheck.com/advisories/edusoho-arbitrary-file-read-via-classroom-course-statistics

SSVC — Action Prioritization

SSVCPoCAutomatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

8.7HIGHVulnCheck
Vector?

Quick Info

StatusDEFERRED
CWE
CWE-22

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