Vulnerability details

CVE-2026-28133

WP Chill Filr

WordPress Filr plugin <= 1.2.14 - Arbitrary File Upload vulnerability

CVSS 3.1

8.5High

Official description

Unrestricted Upload of File with Dangerous Type vulnerability in WP Chill Filr filr-protection allows Upload a Web Shell to a Web Server.This issue affects Filr: from n/a through <= 1.2.14.

CVSS scores

Score	Version	Source	Vector
8.5High	3.1	CVEProject cvelistV5 (CNA) (Patchstack)	`CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H`

Affected products

Vendor	Product	Versions	Source
WP Chill	Filr	v ≤ 1.2.14	CVEProject cvelistV5 (CNA)

References and advisories

https://patchstack.com/database/Wordpress/Plugin/filr-protection/vulnerability/wordpress-filr-plugin-1-2-12-arbitrary-file-upload-vulnerability?_s_id=cve vdb-entry

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Details

Published: 2026-03-05
Last updated: 2026-04-28
State: Published
Assigner (CNA): Patchstack

Exploit prediction (EPSS)

0.24%

Probability of exploitation in 30 days

16%

Percentile (among all CVEs)

SSVC assessment (CISA)

Automatable: No
Exploitation: None
Technical impact: Total

Weaknesses (CWE)

CWE-434
Unrestricted Upload of File with Dangerous Type