CVE-2026-6433 json
Custom CSS JS PHP <= 2.0.7 - Unauthenticated SQL Injection to RCE
published 2026-05-11 5 mo ago modified 2026-06-17 4 mo ago also EUVD-2026-29034
- cvss
- 7.3
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 1.2%
- EPSS 1.2% chance of exploitation in 30 days, percentile 68%
- public exploits
- 0
- none known, plus a Nuclei check
Summary
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.
CISA SSVC
- Exploitation
- none
- Automatable
- yes
- Technical impact
- partial
- Assessed
- 5 mo ago
Exploit prediction
1.20% chance of exploitation in the next 30 days, higher than 68% of all scored CVEs (FIRST EPSS, 2026-11-08).
Exploits and checks
- Nuclei template FlipperCode Custom CSS, JS & PHP <= 2.0.7 - Remote Code Execution nuclei detection template
- wpscan.com https://wpscan.com/vulnerability/a0b1c059-e156-4402-ac8d-67f8ad7386cc/ referenced PoC, tagged "exploit" by a source, unverified
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CISA ADP | 3.1 | 7.3 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L |
| CNA | 3.1 | 7.3 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L |
Affected products
- Unknown Custom css-js-php
Classification
- Technology feeds
References
-
wpscan.com
/vulnerability/a0b1c059-e156-4402-ac8d-67f8ad7386cc/
exploit, vdb-entry, technical-description
Sources
- CVE List CVE-2026-6433
- NVD CVE-2026-6433
Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.