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TI-2025-11840 Aliases CVE-2025-12923GHSA-8fjh-p7j5-79fg

liweiyi ChestnutCMS download resourceDownload path traversal

Priority MEDIUM 56CWE-22Published · Updated

Key facts

Attack vector
Network
Privileges required
High
User interaction
None
Attack complexity
Low
Attack requirements
None
Impact type
Information disclosure
Confidentiality · integrity · availability
Low · None · None
Fix status
No fix listed

Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-22 and the CVSS impact.

Summary

A vulnerability was determined in liweiyi ChestnutCMS up to 1.5.8. This vulnerability affects the function resourceDownload of the file /dev-api/common/download. Executing manipulation of the argument path can lead to path traversal. The attack can be launched remotely. The exploit has been publicly disclosed and may be utilized.

Why it matters now

Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.00622 50th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by the CNA and 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
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
liweiyiChestnutCMS1.5.0; 1.5.1; 1.5.2; 1.5.3; 1.5.4; 1.5.5; 1.5.6; 1.5.7; 1.5.8—No fix listedCNA
  • ChestnutCMS Vendorliweiyi Affected 1.5.0; 1.5.1; 1.5.2; 1.5.3; 1.5.4; 1.5.5; 1.5.6; 1.5.7; 1.5.8 Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:1000mz:chestnutcms:*:*:*:*:*:*:*:*up to 1.5.8Vulnerable1000mz
  • cpe:2.3:a:1000mz:chestnutcms:*:*:*:*:*:*:*:* Versions up to 1.5.8 Vulnerable ·1000mz

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2025-12923
  2. 2026-10-03 Alias added: GHSA-8fjh-p7j5-79fg
  3. 2026-11-06 EPSS moved to the 50th–90th percentile

References

Exploit 1

  • 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-2025-43020 An issue in ChestnutCMS v.1.5.8 and before allows a remote attacker to execute arbitrary… CVSS 3.1HIGH 7.2
  • TI-2025-13692 liweiyi ChestnutCMS Filename upload FilenameUtils.getExtension unrestricted upload CVSS 4.0MEDIUM 5.3
See all 10 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences