CVE-2026-28133

WordPress Filr plugin <= 1.2.14 - Arbitrary File Upload vulnerability

HIGH
8.5
CVSS Score
Published: March 5, 2026 at 05:54 AM UTC
Updated: June 17, 2026 at 10:28 AM UTC
1 product affected across 1 vendorFilr

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Severity
HIGH8.5
Exploit prediction
EPSS 0.2%
SSVC
No known exploit

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 <= 1.2.12.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Filr· Wpchillwordpress-plugin
60%
v ≤ 1.2.14

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

SSVC — Action Prioritization

SSVCNo known exploitNot automatableTotal impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

8.5HIGHPatchstack
Attack Vector
NETWORK
Complexity
HIGH
Privileges
LOW
User Interaction
NONE
Scope
CHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH
Vector?

Quick Info

StatusDEFERRED
CWE
CWE-434

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