CVE-2023-4666 json
Form-Maker < 1.15.20 - Unauthenticated Arbitrary File Upload
published 2023-10-16 3 y ago modified 2026-06-17 4 mo ago also EUVD-2023-54518
- cvss
- 9.8
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 3.8%
- EPSS 3.8% chance of exploitation in 30 days, percentile 90%
- public exploits
- 0
- none known, plus a Nuclei check
Summary
The Form Maker by 10Web WordPress plugin before 1.15.20 does not validate signatures when creating them on the server from user input, allowing unauthenticated users to create arbitrary files and lead to RCE
Patch / fix
- Unknown Form Maker by 10Web 1.15.20
CISA SSVC
- Exploitation
- Proof of concept is public
- Automatable
- yes
- Technical impact
- total
- Assessed
- 18 mo ago
Exploit prediction
3.78% chance of exploitation in the next 30 days, higher than 90% of all scored CVEs (FIRST EPSS, 2026-11-08).
Exploits and checks
- Nuclei template Form-Maker < 1.15.20 - Unauthenticated Arbitrary File Upload nuclei detection template
- wpscan.com https://wpscan.com/vulnerability/c6597e36-02d6-46b4-89db-52c160f418be referenced PoC, tagged "exploit" by a source, unverified
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CISA ADP | 3.1 | 9.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
| NVD | 3.1 | 9.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
| CNA | 3.1 | 9.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
Affected products
- Unknown Form Maker by 10Web
Classification
- Technology feeds
References
-
wpscan.com
/vulnerability/c6597e36-02d6-46b4-89db-52c160f418be
exploit, vdb-entry, technical-description, third-party-advisory
Sources
- CVE List CVE-2023-4666
- NVD CVE-2023-4666
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.