Authenticated arbitrary file write via unsanitized title
Published Jul 14, 2025 · Updated Jul 14, 2025
Path traversal in jishenghua jshERP 3.0 through 3.5 allows remote authenticated users to create or overwrite server files. The exportExcelByParam endpoint passes the JSON title field through SystemConfigService to ExcelUtils, which concatenates it with /opt and creates a workbook without validating the resulting path. Administrative login and a valid access token are required; crafted traversal segments can place or replace a generated workbook wherever the service account can write.
Summary
What happened
Path traversal in jishenghua jshERP 3.0 through 3.5 allows remote authenticated users to create or overwrite server files. The exportExcelByParam endpoint passes the JSON title field through SystemConfigService to ExcelUtils, which concatenates it with /opt and creates a workbook without validating the resulting path. Administrative login and a valid access token are required; crafted traversal segments can place or replace a generated workbook wherever the service account can write.
The record
- CVE
- CVE-2025-7566
- Published
- Jul 14, 2025
- Updated
- Jul 14, 2025
- Vendor
- jishenghua
- Product
- jshERP
- Classifications
- CWE-22, T1105
- Attack vector
- network
- Privileges
- admin
Timeline
How it unfolded
- Jul 14, 2025CVE publishedPublication date reported by the CVE source.
- Jul 14, 2025Record updatedLatest update available in the CVE record.
Exploitability
Present is not the same as exploitable
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Is a vulnerable build present?
Compare these published version ranges with your installed build and any vendor patches.
- Affected versionversion=3.0
- Affected versionversion=3.1
- Affected versionversion=3.2
- Affected versionversion=3.3
- Affected versionversion=3.4
- Affected versionversion=3.5
What conditions does exploitation require?
What is affected?
Attacks
What attackers are doing with it
Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.
Weakness, pattern, technique
Public exploit references
- POC-20250630-01 jshERP path traversal reproductionfunctional · demonstrated
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Technologies
Your stack
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Your stack
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