CVE-2023-7335
CVE-2023-7335 is a high-severity vulnerability with a CVSS 4.0 base score of 8.7. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-22.
Key facts
- Severity: High (CVSS 4.0 base score 8.7)
- EPSS exploit prediction: 1% (50th percentile)
- Actively exploited: Not listed in CISA KEV
- EU (EUVD) id: EUVD-2026-4096
- Weakness: CWE-22
- Published:
- Last modified:
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).
Frequently asked questions
- What is 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).
- How severe is CVE-2023-7335?
- CVE-2023-7335 has a CVSS 4.0 base score of 8.7, rated high severity.
- Is CVE-2023-7335 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (50th percentile), an estimate of the probability of exploitation in the next 30 days.
- How do I fix CVE-2023-7335?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
- Does CVE-2023-7335 have an EU (EUVD) identifier?
- Yes. CVE-2023-7335 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-4096.
- When was CVE-2023-7335 published?
- CVE-2023-7335 was published on 2026-01-22 and last updated on 2026-06-17.
References
- https://blog.csdn.net/qq_41904294/article/details/135007351
- https://cn-sec.com/archives/2451582.html
- https://github.com/edusoho/edusoho/releases/tag/v22.4.7
- https://github.com/gobysec/GobyVuls/blob/master/CNVD-2023-03903.md
- 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
- https://www.cnvd.org.cn/flaw/show/CNVD-2023-03903
- https://www.edusoho.com/
- https://www.vulncheck.com/advisories/edusoho-arbitrary-file-read-via-classroom-course-statistics
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