AUGUST 4, 2026
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Case File

CVE-2021-25094

HIGH · CVSS 8.1 EPSS 83.35% Public Exploit

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2022-04-25 · Last synced 2026-08-04

CyberRota Analysis

This is a high severity vulnerability with a CVSS score of 8.1. It affects WordPress. Public exploit code or proof-of-concept references have been detected in its references. Its EPSS score suggests a 83.4% probability of exploitation in the next 30 days.

Public Exploit Signal

A public exploit, PoC, GitHub repository or Metasploit reference was detected for this CVE.

Note: these links are listed for security research and verification purposes only.

CVE
CVE-2021-25094
Severity
HIGH
CVSS
8.1
EPSS
83.35%
WordPress

Original NVD Description

The Tatsu WordPress plugin before 3.3.12 add_custom_font action can be used without prior authentication to upload a rogue zip file which is uncompressed under the WordPress's upload directory. By adding a PHP shell with a filename starting with a dot ".", this can bypass extension control implemented in the plugin. Moreover, there is a race condition in the zip extraction process which makes the shell file live long enough on the filesystem to be callable by an attacker.