Feehi CMS arbitrary file upload vulnerability

published 2021-01-21 5y ago modified 2026-06-17 4mo ago also GHSA-65x8-9vgm-5fg5 , EUVD-2022-2721

cvss: 7.2; version 3.1, NVD
cisa kev: Not listed; not in CISA's catalog
epss: 2.0%; EPSS 2.0% chance of exploitation in 30 days, percentile 80%
public exploits: 0; none known

Feehi CMS 2.1.0 is affected by an arbitrary file upload vulnerability, potentially resulting in remote code execution. After an administrator logs in, open the administrator image upload page to potentially upload malicious files.

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Exploit prediction

1.99% chance of exploitation in the next 30 days, higher than 80% of all scored CVEs (FIRST EPSS, 2026-11-09).

Exploits and checks

github.com https://github.com/liufee/cms/issues/51 referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by	version	score	vector
NVD	3.1	7.2	CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
NVD	2.0	6.5	AV:N/AC:L/Au:S/C:P/I:P/A:P
GitHub	3.1	7.2	CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

Affected packages

ecosystem	package	affected	fixed in
packagist	feehi/cms	<=2.1.0-beta	no fix listed

Classification

Weakness

CWE-434 Unrestricted Upload of File with Dangerous Type

References

github.com /liufee/cms/issues/51
web, exploit, issue-tracking, third-party-advisory
nvd.nist.gov /vuln/detail/CVE-2020-22643
advisory
github.com /liufee/cms
package

Sources

Fencer Intel 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.