liweiyi ChestnutCMS download resourceDownload path traversal

published 2025-11-10 11 mo ago modified 2026-10-07 32 d ago also EUVD-2025-38723

cvss: 2.7; version 3.1, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 0.6%; EPSS 0.6% chance of exploitation in 30 days, percentile 50%
public exploits: 0; none known

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.

CISA SSVC

Exploitation: Proof of concept is public
Automatable: no
Technical impact: partial
Assessed: 11 mo ago (2025-11-10)

Exploit prediction

0.62% chance of exploitation in the next 30 days, higher than 50% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

github.com https://github.com/Huu1j/CVE/blob/main/chestnutcms%20Arbitrary%20File%20Read.md referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by	version	score	vector
CNA	4.0	5.1	CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:P
CNA	3.1	2.7	CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:N/A:N/E:P/RL:X/RC:R
CNA	3.0	2.7	CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:N/A:N/E:P/RL:X/RC:R
CNA	2.0	3.3	AV:N/AC:L/Au:M/C:P/I:N/A:N/E:POC/RL:ND/RC:UR
CNA	4.0	2.0	CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
CNA	3.1	2.7	CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:N/A:N
NVD	3.1	4.9	CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N
CNA	2.0	3.3	AV:N/AC:L/Au:M/C:P/I:N/A:N

Affected products

liweiyi ChestnutCMS

Classification

Weakness

CWE-22 Improper Limitation of a Pathname to a Restricted Directory

References

github.com /Huu1j/CVE/blob/main/chestnutcms%20Arbitrary%20File%20Read.md
exploit, third-party-advisory
vuldb.com /?id.331643
vdb-entry, technical-description, third-party-advisory
vuldb.com /?ctiid.331643
signature, permissions-required, vdb-entry
vuldb.com /?submit.681032
third-party-advisory, vdb-entry

Sources

CVE List CVE-2025-12923
NVD CVE-2025-12923

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.

Summary