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SureForms <= 2.12.2 — Unauthenticated Stored Cross-Site Scripting via Text Field Entity-Encoded Payload

CVE-2026-18406Published · Updated

Action summary

Affected: ≤2.12.2Update to 2.12.3 or newer

All remediation steps
Severity
High7.2
CVSS
7.2
CVSS 3.1 · CNA (Wordfence)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N
What does this vector mean?
AV:N Attack vector
Network
AC:L Attack complexity
Low
PR:N Privileges required
None
UI:N User interaction
None
S:C Scope
Changed
C:L Confidentiality
Low
I:L Integrity
Low
A:N Availability
None
Weakness
CWE-79 Cross-Site Scripting
Required access
No account needed
Exploit prediction (EPSS)
No score
CISA KEV
Not listed

Am I affected?

SureForms – Contact Form Builder, AI Forms, Payment Form, Survey & Quiz sureforms

  1. Affected≤ 2.12.2
  2. Patched in2.12.3

Update to 2.12.3 or newer.

You are affected if you run ≤ 2.12.2. Version 2.12.3 and later are not affected by this issue.

  • Check your version: in wp-admin go to Plugins → Installed Plugins and read the version under SureForms – Contact Form Builder, AI Forms, Payment Form, Survey & Quiz.
  • No admin access? Run a passive check of your site. It reads public files only.
  • No account is needed to exploit this. Treat any exposed site on an affected version as at risk.

What to do

  1. Update to version 2.12.3, or a newer patched version
  2. Rotate administrator passwords and application secrets if the site ran a vulnerable version while publicly reachable.
  3. Watch SureForms – Contact Form Builder, AI Forms, Payment Form, Survey & Quiz to get an email when the next vulnerability is published.

Advisory

Source description from Wordfence Intelligence, credited to daroo.

The SureForms – Contact Form Builder, AI Forms, Payment Form, Survey & Quiz plugin for WordPress is vulnerable to Stored Cross-Site Scripting via Text Field Entity-Encoded Payload in all versions up to, and including, 2.12.2 due to insufficient input sanitization and output escaping. This makes it possible for unauthenticated attackers to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.

Exploits & references

Proof-of-concept & detection

No public proof-of-concept or detection template is known for this vulnerability.

Advisories & patches

More in SureForms – Contact Form Builder, AI Forms, Payment Form, Survey & Quiz

All 25
More vulnerabilities in SureForms – Contact Form Builder, AI Forms, Payment Form, Survey & Quiz
SeverityVulnerabilityCVEPublished
Medium5.3Missing Authorization
≤2.13.0Update to 2.13.1
CVE-2026-125763
Medium5.3Missing Authorization
≤2.13.0Update to 2.13.1
CVE-2026-120842
Medium5.3Missing Authorization
≤2.12.9Update to 2.13.0
CVE-2026-116387
Medium4.7SureForms – Contact Form Builder, AI Forms, Payment Form, Survey & Quiz <= 2.12.9 -Unauthenticated Arbitrary HTML Injection
≤2.12.9Update to 2.13.0
CVE-2026-116402
Medium6.4Authenticated (Contributor+) Stored Cross-Site Scripting
≤2.12.7Update to 2.12.8
CVE-2026-108495

Same weakness (Cross-Site Scripting)

All Cross-Site Scripting
Other Cross-Site Scripting vulnerabilities
SeverityVulnerabilityCVEPublished
High7.2Unauthenticated Stored Cross-Site Scripting via Comment User-Agent HeaderCVE-2026-120688
Critical9.8Unauthenticated Arbitrary File Upload via File Upload via Public Form SubmissionCVE-2026-125055
Critical9.8Unauthenticated PHP Object Injection to Remote Code Execution via 'form' ParameterCVE-2026-119077
Medium5.3Unauthenticated Sensitive Information Exposure in 'search' Parameter
Customer Reviews for WooCommerce≤5.127.0Update to 5.128.0
CVE-2026-121518

Timeline

  1. CVE published

    Severity high, CVSS 7.2

  2. 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.

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