CVE-2026-6433

Custom CSS JS PHP <= 2.0.7 - Unauthenticated SQL Injection to RCE

The Custom css-js-php WordPress plugin through 2.0.7 does not properly sanitize user input before using it in a SQL query, and the result is passed to eval(), allowing unauthenticated users to execute arbitrary PHP code on the server.

Affected

Custom css-js-php

CVSS v3.1 CNA

7.3 HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L

EPSS

0.81% chance of exploitation in the next 30 days, 56th percentile

Nuclei

critical

Published

2026-05-11

Proof-of-concept exploits (2)

• https://wpscan.com/vulnerability/a0b1c059-e156-4402-ac8d-67f8ad7386cc/
• murrez/CVE-2026-64332★ · 2026-07-02

Nuclei templates (1)

• projectdiscovery/nuclei-templates/blob/main/http/cves/2026/CVE-2026-6433.yaml

References

• CVE Record
• NVD entry