CVE-2026-87071 json
Forminator Forms < 1.57.2.1 - Unauthenticated Post Meta Injection on Submitted Posts
published 2026-09-23 47 d ago modified 2026-09-23 46 d ago also EUVD-2026-85192
- cvss
- 5.3
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.3%
- EPSS 0.3% chance of exploitation in 30 days, percentile 24%
- public exploits
- 0
- none known
Summary
The Forminator Forms WordPress plugin before 1.57.2.1 does not restrict which metadata keys a form submission may supply, and does not exclude the keys WordPress reserves for its own use, so unauthenticated visitors submitting a public form that collects post content can attach metadata of their choosing to the post their submission creates.
Patch / fix
- Unknown Forminator Forms 1.57.2.1
CISA SSVC
- Exploitation
- none
- Automatable
- yes
- Technical impact
- partial
- Assessed
- 47 d ago
Exploit prediction
0.31% chance of exploitation in the next 30 days, higher than 24% of all scored CVEs (FIRST EPSS, 2026-11-08).
Exploits and checks
- wpscan.com https://wpscan.com/vulnerability/9d831b9d-c05d-4b9a-8b65-7e1e35e68510/ referenced PoC, tagged "exploit" by a source, unverified
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 3.1 | 5.3 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N |
Affected products
- Unknown Forminator Forms
Classification
- Weakness
-
- CWE-20 Improper Input Validation
- Technology feeds
References
-
wpscan.com
/vulnerability/9d831b9d-c05d-4b9a-8b65-7e1e35e68510/
exploit, vdb-entry, technical-description
Sources
- CVE List CVE-2026-87071
- NVD CVE-2026-87071
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.