CVE-2026-3844 PoC — Breeze Cache <= 2.4.4 - Unauthenticated Arbitrary File Upload via fetch_gravatar_from_remote

Source

https://github.com/projectdiscovery/nuclei-templates/blob/main/http/cves/2026/CVE-2026-3844.yaml

Associated Vulnerability

Title:Breeze Cache <= 2.4.4 - Unauthenticated Arbitrary File Upload via fetch_gravatar_from_remote (CVE-2026-3844)
Description:The Breeze Cache plugin for WordPress is vulnerable to arbitrary file uploads due to missing file type validation in the 'fetch_gravatar_from_remote' function in all versions up to, and including, 2.4.4. This makes it possible for unauthenticated attackers to upload arbitrary files on the affected site's server which may make remote code execution possible. The vulnerability can only be exploited if "Host Files Locally - Gravatars" is enabled, which is disabled by default.

Description

Breeze Cache WordPress plugin <= 2.4.4 contains an unrestricted file upload vulnerability caused by missing file type validation in 'fetch_gravatar_from_remote' function, letting unauthenticated attackers upload arbitrary files, exploit requires 'Host Files Locally - Gravatars' enabled.

File Snapshot

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