CVE-2016-9492 json
PHP forms generated using the PHP FormMail Generator are vulnerable to unrestricted upload of dangerous file types
published 2018-07-13 8 y ago modified 2026-06-17 4 mo ago also EUVD-2016-10298
- cvss
- 9.8
- version 3.0, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 3.3%
- EPSS 3.3% chance of exploitation in 30 days, percentile 88%
- public exploits
- 0
- none known
Summary
The code generated by PHP FormMail Generator prior to 17 December 2016 is vulnerable to unrestricted upload of dangerous file types. In the generated form.lib.php file, upload file types are checked against a hard-coded list of dangerous extensions. This list does not include all variations of PHP files, which may lead to execution of the contained PHP code if the attacker can guess the uploaded filename. The form by default appends a short random string to the end of the filename.
Patch / fix
- jqueryform php_formmail_generator 2016-12-17
Exploit prediction
3.33% chance of exploitation in the next 30 days, higher than 88% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.0 | 9.8 | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
| NVD | 2.0 | 7.5 | AV:N/AC:L/Au:N/C:P/I:P/A:P |
Affected products
- PHP FormMail Generator
Classification
- Weakness
-
- CWE-434 Unrestricted Upload of File with Dangerous Type
References
-
securityfocus.com
/bid/96718
vdb-entry, third-party-advisory
-
kb.cert.org
/vuls/id/608591
third-party-advisory, us-government-resource
Sources
- CVE List CVE-2016-9492
- NVD CVE-2016-9492
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.