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VulnerabilityPublished

CVE-2026-115301: Contact Form by Supsystic (WordPress plugin) · Code Injection

Affects Contact Form by Supsystic (WordPress plugin)Source CVE Database V5

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Not known to be exploited : upgrade to 1.11.1 soon.

Data as of 29 Oct 2026, 07:05 UTC

Severity
High

Rated High by Threat Radar's AI analysis · CVSS not yet scored by NVD

Thin evidence

One scorer or none
Patch
Available – fixed in 1.11.1

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 29 Oct 2026

  2. Detectable: no evidence on record.

    No public nuclei template indexed

  3. Weaponized: no evidence on record.

    No public exploit code indexed in Metasploit or Exploit-DB

  4. Exploited in the wild: no evidence on record.

    Not in CISA KEV and no source reports exploitation

  5. Observed by OffSeq Mirage: no evidence on record.

    No attack traffic recorded by OffSeq Mirage sensors

A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 29 Oct 2026.

What to do

Upgrade Contact Form by Supsystic (WordPress plugin) to 1.11.1.

Affected software

ProductAffectedFixed in
Contact Form by SupsysticAffected
  • <1.11.1
Fixed in
  • 1.11.1

AI-suggested

Update the Contact Form by Supsystic plugin to version 1.11.1 or later, where this vulnerability is fixed. No other mitigation is required as the fix properly sandboxes the template engine to prevent code injection.

Description

The Contact Form by Supsystic WordPress plugin before version 1.11.1 contains a server-side template injection vulnerability. This flaw allows an administrator to inject and execute arbitrary code on the server via the form template engine. The injected code executes whenever a visitor loads a page with the vulnerable form, enabling unauthenticated visitors to potentially read sensitive server-side information such as authentication salts and database credentials.

References

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