An issue in ChestnutCMS v.1.5.8 and before allows a remote attacker to execute arbitrary…
Priority HIGH 67CWE-94Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- High
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Code execution
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA. Impact type from CWE-94.
Summary
An issue in ChestnutCMS v.1.5.8 and before allows a remote attacker to execute arbitrary code via the template creation function
Why it matters now
Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.00765 55th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix No fix listed No fixed version in the sources yet
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- Poc
- Automatable
- No
- Technical impact
- Total
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2025-70073
- 2026-10-03 Alias added: GHSA-4frq-g5px-8jfp
References
More 1000mz Chestnutcms vulnerabilities
- TI-2024-37899 ChestnutCMS <=1.5.0 is vulnerable to File Upload via the Create template function. CVSS 3.1CRITICAL 9.8
- TI-2024-37682 File Upload vulnerability in ChestnutCMS through 1.5.0. CVSS 3.1CRITICAL 9.8
- TI-2024-37901 ChestnutCMS <=1.5.0 has an arbitrary file deletion vulnerability in… CVSS 3.1HIGH 7.5
- TI-2024-37900 ChestnutCMS <=1.5.0 has a directory traversal vulnerability in… CVSS 3.1HIGH 7.5
- TI-2025-13692 liweiyi ChestnutCMS Filename upload FilenameUtils.getExtension unrestricted upload CVSS 4.0MEDIUM 5.3
- TI-2025-04992 ChestnutCMS API Endpoint exec deserialization CVSS 4.0MEDIUM 5.3
Sources
- CVE-2025-70073 · CVE Program
- CVE-2025-70073 · NVD
- FIRST EPSS
- GHSA-4frq-g5px-8jfp · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences