CVE-2023-7335EduSoho < 22.4.7 Arbitrary File Read via classroom-course-statistics
- 8.7HighCVSS base score
- 1.7%Exploitation in 30 daysEPSS · top 22% of all CVEs
- NoKnown exploitednot in CISA's KEV catalog
- 1Public exploitsMetasploit, Nuclei and Exploit-DB
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).
Public exploit
An exploit or proof of concept is public: anyone can try it against an unpatched system. The public collections list a Nuclei template for it. 4 references of the record are tagged as an exploit. CISA's SSVC rates its exploitation: a proof of concept is public.
Show the exploits5
Nuclei templates1 template
- EduSoho < 22.4.7 - Unauthenticated Arbitrary File Read (Nuclei template) (opens in a new tab)
http/cves/2023/CVE-2023-7335.yamlSeverity high
References tagged exploit4 references
- https://cn-sec.com/archives/2451582.html (opens in a new tab)technical-descriptionexploit
- https://blog.csdn.net/qq_41904294/article/details/135007351 (opens in a new tab)technical-descriptionexploit
- 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 (opens in a new tab)exploit
- https://github.com/gobysec/GobyVuls/blob/master/CNVD-2023-03903.md (opens in a new tab)exploit
Modules, templates and exploits as listed by the Metasploit Framework (BSD-3-Clause), ProjectDiscovery's Nuclei templates (MIT) and the Exploit Database (GPLv2), read once a day. Where the data comes from
Timeline
ID reserved
By VulnCheck
- 1 day later
· 1 day later
Published
- 10 months later
· 10 months later
Record updated
- 4 days later
· 4 days later
EPSS rose above 1%
0.76% → 1.7%
Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| VulnCheckCNA (assigner) | 4.0 | High8.7 | CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N |
| NVDNVD · Deferred | 4.0 | High8.7 | CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X |
- EPSS (exploitation in 30 days)
- 1.7% · top 22% of all CVEs (14 Nov 2026)
- CISA SSVC
- Exploitation: poc · Automatable: yes · Technical impact: partial
The list uses the assigner's score when there is one, then CISA's, then NVD's: High 8.7.
Affected products
Hangzhou Kuozhi Network Technology Co., Ltd. · EduSoho
- affected < 22.4.7
References
References8
- https://www.edusoho.com/ (opens in a new tab)product
- EduSoho 22.4.7 Release Notes (opens in a new tab)release-notespatch
- https://cn-sec.com/archives/2451582.html (opens in a new tab)technical-descriptionexploit
- https://blog.csdn.net/qq_41904294/article/details/135007351 (opens in a new tab)technical-descriptionexploit
- 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 (opens in a new tab)exploit
- https://github.com/gobysec/GobyVuls/blob/master/CNVD-2023-03903.md (opens in a new tab)exploit
- https://www.cnvd.org.cn/flaw/show/CNVD-2023-03903 (opens in a new tab)government-resourcevdb-entry
- https://www.vulncheck.com/advisories/edusoho-arbitrary-file-read-via-classroom-course-statistics (opens in a new tab)third-party-advisory
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- EUVD EUVD-2026-4096 (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://cveledger.app/cve/CVE-2023-7335)Record last updated .