CVE-2024-31351: WordPress Copymatic plugin <= 1.6 - Unauthenticated Arbitrary File Upload vulnerability

Severity: critical (CVSS 9.8 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 1.6% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2024-05-17 · updated 2026-06-17
Weakness: CWE-434

Description

Unrestricted Upload of File with Dangerous Type vulnerability in Copymatic Copymatic – AI Content Writer & Generator.This issue affects Copymatic – AI Content Writer & Generator: from n/a through 1.6.

Affected products

Copymatic – AI Content Writer & Generator: before 1.7 — fixed in 1.7

How to fix

Upgrade to a fixed version: Copymatic – AI Content Writer & Generator 1.7. Check the vendor advisory for mitigations.

References

https://patchstack.com/database/vulnerability/copymatic/wordpress-copymatic-plugin-1-6-unauthenticated-arbitrary-file-upload-vulnerability?_s_id=cve
https://patchstack.com/database/vulnerability/copymatic/wordpress-copymatic-plugin-1-6-unauthenticated-arbitrary-file-upload-vulnerability?_s_id=cve

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