Critical severity9.8NVD Advisory· Published Apr 19, 2025· Updated Apr 15, 2026

CVE-2021-4455

Description

The Wordpress Plugin Smart Product Review plugin for WordPress is vulnerable to arbitrary file uploads due to missing file type validation in all versions up to, and including, 1.0.4. This makes it possible for unauthenticated attackers to upload arbitrary files on the affected site's server which may make remote code execution possible.

AI Insight

LLM-synthesized narrative grounded in this CVE's description and references.

Patches

Vulnerability mechanics

References

www.exploit-db.com/exploits/50533nvd
www.wordfence.com/threat-intel/vulnerabilities/id/1de9183c-95b9-4500-85e2-08dcee956360nvd

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