Forminator Forms – Contact Form, Payment Form & Custom Form Builder <= 1.56.0 — Authenticated (Contributor+) Privilege Escalation
CVE-2026-28111Published · Updated Action summary
Affected: ≤1.56.0Update to 1.56.0.1 or newer
All remediation steps- Severity
- High8.8
- CVSS
- 8.8CVSS 3.1 · CNA (Wordfence)
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:HWhat does this vector mean?
AV:NAttack vector- Network
AC:LAttack complexity- Low
PR:LPrivileges required- Low
UI:NUser interaction- None
S:UScope- Unchanged
C:HConfidentiality- High
I:HIntegrity- High
A:HAvailability- High
- Required access
- Unknown
- Exploit prediction (EPSS)
- No score
- CISA KEV
- Not listed
On this page8
Am I affected?
Forminator Forms – Contact Form, Payment Form & Custom Form Builder forminator
- Affected≤ 1.56.0
- Patched in1.56.0.1
Update to 1.56.0.1 or newer.
You are affected if you run ≤ 1.56.0. Version 1.56.0.1 and later are not affected by this issue.
- Check your version: in wp-admin go to Plugins → Installed Plugins and read the version under Forminator Forms – Contact Form, Payment Form & Custom Form Builder.
- No admin access? Run a passive check of your site. It reads public files only.
What to do
- Update to version 1.56.0.1, or a newer patched version
- Rotate administrator passwords and application secrets if the site ran a vulnerable version while publicly reachable.
- Watch Forminator Forms – Contact Form, Payment Form & Custom Form Builder to get an email when the next vulnerability is published.
Advisory
Source description from Wordfence Intelligence, credited to daroo.
The Forminator Forms – Contact Form, Payment Form & Custom Form Builder plugin for WordPress is vulnerable to Privilege Escalation in all versions up to, and including, 1.56.0. This makes it possible for authenticated attackers, with Contributor-level access and above, to elevate their privileges to that of an administrator.
Exploits & references
Proof-of-concept & detection
No public proof-of-concept or detection template is known for this vulnerability.
Advisories & patches
- Advisorywordfence.com
Related CVEs
More in Forminator Forms – Contact Form, Payment Form & Custom Form Builder
All 82| Severity | Vulnerability | CVE | Published |
|---|---|---|---|
| Medium5.3 | Unauthenticated Information Exposure <1.58.4Update to 1.58.4 | CVE-2026-111597 | |
| High7.3 | Unauthenticated Privilege Escalation <1.58.4Update to 1.58.4 | CVE-2026-111579 | |
| Medium6.4 | Authenticated (Subscriber+) Stored Cross-Site Scripting ≤1.58.3Update to 1.58.4 | CVE-2026-115952 | |
| Medium5.3 | Missing Authorization ≤1.58.3Update to 1.58.4 | CVE-2026-116859 | |
| Medium5.4 | Authenticated (Subscriber+) Arbitrary Shortcode Injection ≤1.58.3Update to 1.58.4 | CVE-2026-116858 |
- Medium5.3Unauthenticated Information Exposure
<1.58.4Update to 1.58.4
- High7.3Unauthenticated Privilege Escalation
<1.58.4Update to 1.58.4
- Medium6.4Authenticated (Subscriber+) Stored Cross-Site Scripting
≤1.58.3Update to 1.58.4
- Medium5.3Missing Authorization
≤1.58.3Update to 1.58.4
- Medium5.4Authenticated (Subscriber+) Arbitrary Shortcode Injection
≤1.58.3Update to 1.58.4
Timeline
CVE published
Severity high, CVSS 8.8
Record last updated
Sources & licenses
Wordfence record- Vulnerability data
- Wordfence Intelligence. [object Object] Licensed under the CC BY-SA 4.0.
- CVE® identifiers
- [object Object]. Used under the CVE Program. CVE® is a registered trademark of The MITRE Corporation.
- CVSS / CWE
- National Vulnerability Database (NVD), shown unmodified. This product uses the NVD API but is not endorsed or certified by the NVD.
- VulnCrest content
- Summary, remediation guidance and page layout © VulnCrest. Not sourced from NVD.