CVE-2023-7335
High PUBLISHEDEduSoho < 22.4.7 Arbitrary File Read via classroom-course-statistics
Not yet in CISA KEV
Recommended Action
Prioritize remediation. Validate affected assets and apply vendor fixes on an accelerated timeline.
At a Glance
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).
- CVE Published
- Jan 22, 2026
- Exploitation Reported
- Feb 04, 2026
- CVSS
- 8.7 High
- EPSS
- —
Affected Versions
| Vendor | Product | Version | Status |
|---|---|---|---|
| Hangzhou Kuozhi Network Technology Co., Ltd. |
EduSoho
|
0 to < 22.4.7 |
Affected |
CVE References
- GitHub — edusoho/edusoho github.com · Patch https://github.com/edusoho/edusoho/releases/tag/v22.4.7
- Third-Party Advisory — vulncheck.com vulncheck.com · Third-Party Advisory https://www.vulncheck.com/advisories/edusoho-arbitrary-file-read-via-...
- Exploit — cn-sec.com cn-sec.com · Exploit https://cn-sec.com/archives/2451582.html
- Exploit — blog.csdn.net blog.csdn.net · Exploit https://blog.csdn.net/qq_41904294/article/details/135007351
- GitHub — zeroChen00/exp-poc github.com · Exploit https://github.com/zeroChen00/exp-poc/blob/main/EduSoho%E6%95%99%E5%9...
Show 3 more references
- GitHub — gobysec/GobyVuls github.com · Exploit https://github.com/gobysec/GobyVuls/blob/master/CNVD-2023-03903.md
- Government Resource — cnvd.org.cn cnvd.org.cn · Government Resource https://www.cnvd.org.cn/flaw/show/CNVD-2023-03903
- Product — edusoho.com edusoho.com · Product https://www.edusoho.com/
Recommended Actions
- Prioritize remediation. Validate affected assets and apply vendor fixes on an accelerated timeline.
- Use the Pro API to automate enrichment, telemetry, and workflow delivery for VM, SOC, and CTI pipelines.
Known Exploited Vulnerability Sources
Catalogues that list this CVE as a known exploited vulnerability.
Per-source evidence links for KEV attestations are available through the KEVIntel Pro API.
Learn about Pro API access| Source | Added |
|---|---|
| The Shadowserver First | 2026-02-04 00:00 UTC |
No detection artifacts or sensor request patterns are available for this CVE yet.
Check back as sensor telemetry and scanner integrations are updated.
Virtual Patch
Compensating WAF rules to help reduce exposure to this CVE. Rule content and deployable vendor exports are available with KEVIntel Enterprise.
KEVIntel does not currently have a virtual patch for this CVE. When available, KEVIntel virtual patches ship as deployable ModSecurity, Cloudflare, and AWS WAF rules.
Enterprise feature. Virtual patch rule content and deployable vendor exports (ModSecurity, Cloudflare, AWS WAF) are available to KEVIntel Enterprise users.
CVSS Scores
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
Exploitation Status
Exploited in the wild
Recorded 2026-02-04 00:00:00 UTC · The Shadowserver
Weaknesses (CWE)
-
Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')
Timeline
Key exploitation, disclosure, scanner coverage, and KEV attestation events for this CVE.
-
00:00 UTC 6 months ago00:00 UTC · 6 months ago
Added to KEVIntel KEV Feed
High-confidence, third-party attested exploitation
-
16:55 UTC 6 months ago16:55 UTC · 6 months ago
CVE published
Vulnerability disclosed publicly
-
21:28 UTC 6 months ago21:28 UTC · 6 months ago
CVE ID reserved
Identifier reserved by the CNA
Automate This Intelligence with the Pro API
Confidence scoring, exploit status, sensor telemetry, PoCs, scanner integrations, mentions, and tags are available programmatically for VM, SOC, and CTI workflows.
Pro API Example
GET /api/v2/pro/kevs/CVE-2023-7335
{
"cve_id": "CVE-2023-7335",
"title": "EduSoho < 22.4.7 Arbitrary File Read via classroom-course-statistics",
"affected_vendor": "Hangzhou Kuozhi Network Technology Co., Ltd.",
"affected_product": "EduSoho",
"affected_versions": [
{ "vendor": "...", "product": "...", "status": "affected", "display_label": "..." }
],
"confidence": "High",
"cvss_score": 8.7,
"epss_score": null,
"exploit_status": {
"exploited_in_the_wild": true,
"active_exploitation_observed": false
},
"sensor_telemetry": { "...": "Pro API fields" },
"proof_of_concepts": [ "..." ],
"scanner_integrations": [ "..." ]
}