What is CVE-2025-12846?

CVE-2025-12846 is a high-severity vulnerability in Creativethemeshq Blocksy Companion, classified under Unrestricted Upload of File with Dangerous Type. CVSS score: 8.8/10. Published 2025-11-11.

How severe is CVE-2025-12846?

High severity. CVSS v3 base score is 8.8 out of 10.

Arbitrary file upload in Creativethemeshq Blocksy Companion

CVE-2025-12846

The Blocksy Companion plugin for WordPress is vulnerable to authenticated arbitrary file upload in all versions up to, and including, 2.1.19. This is due to insufficient file type validation detecting SVG files, allowing double extension f…

Vulnerability class: Unrestricted File Upload

EPSS: 0.006 (44.0th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

Affected products

Creativethemeshq Blocksy Companion — versions 0

Weakness classification (CWE)

CWE-434 — Unrestricted Upload of File with Dangerous Type

References

Frequently asked questions

What is CVE-2025-12846?: CVE-2025-12846 is a high-severity vulnerability in Creativethemeshq Blocksy Companion, classified under Unrestricted Upload of File with Dangerous Type. CVSS score: 8.8/10. Published 2025-11-11.
How severe is CVE-2025-12846?: High severity. CVSS v3 base score is 8.8 out of 10.