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6 vulnerabilities found for Contact Form by Supsystic by supsysticcom
CVE-2026-4257 (GCVE-0-2026-4257)
Vulnerability from nvd – Published: 2026-03-30 21:26 – Updated: 2026-04-08 16:48
VLAI
EPSS
VEX
Title
Contact Form by Supsystic <= 1.7.36 - Unauthenticated Server-Side Template Injection via Prefill Functionality
Summary
The Contact Form by Supsystic plugin for WordPress is vulnerable to Server-Side Template Injection (SSTI) leading to Remote Code Execution (RCE) in all versions up to, and including, 1.7.36. This is due to the plugin using the Twig `Twig_Loader_String` template engine without sandboxing, combined with the `cfsPreFill` prefill functionality that allows unauthenticated users to inject arbitrary Twig expressions into form field values via GET parameters. This makes it possible for unauthenticated attackers to execute arbitrary PHP functions and OS commands on the server by leveraging Twig's `registerUndefinedFilterCallback()` method to register arbitrary PHP callbacks.
Severity
9.8 (Critical)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
- CWE-94 - Improper Control of Generation of Code ('Code Injection')
Assigner
References
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| supsysticcom | Contact Form by Supsystic |
Affected:
0 , ≤ 1.7.36
(semver)
|
Credits
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}
],
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"shortName": "Wordfence"
},
"references": [
{
"url": "https://www.wordfence.com/threat-intel/vulnerabilities/id/415c9658-bfb2-453b-a697-c63c08b0ca61?source=cve"
},
{
"url": "https://plugins.trac.wordpress.org/browser/contact-form-by-supsystic/tags/1.7.36/modules/forms/views/forms.php#L323"
},
{
"url": "https://plugins.trac.wordpress.org/changeset/3491826/contact-form-by-supsystic"
}
],
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CVE-2024-13452 (GCVE-0-2024-13452)
Vulnerability from nvd – Published: 2025-04-16 02:12 – Updated: 2026-04-08 17:16
VLAI
EPSS
VEX
Title
Contact Form by Supsystic <= 1.7.29 - Cross-Site Request Forgery to Stored Cross-Site Scripting via saveAsCopy AJAX Action
Summary
The Contact Form by Supsystic plugin for WordPress is vulnerable to Cross-Site Request Forgery in all versions up to, and including, 1.7.29. This is due to missing or incorrect nonce validation on a saveAsCopy function. This makes it possible for unauthenticated attackers to update settings and inject malicious web scripts via a forged request granted they can trick a site administrator into performing an action such as clicking on a link.
Severity
6.1 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-79 - Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
Assigner
References
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| supsysticcom | Contact Form by Supsystic |
Affected:
0 , ≤ 1.7.29
(semver)
|
Credits
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}
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}
],
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"url": "https://www.wordfence.com/threat-intel/vulnerabilities/id/b2dbf510-d99f-4918-8462-66696b68003c?source=cve"
},
{
"url": "https://plugins.trac.wordpress.org/browser/contact-form-by-supsystic/tags/1.7.29/modules/forms/models/forms.php#L933"
},
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"url": "https://plugins.trac.wordpress.org/changeset/3267149/"
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CVE-2023-2528 (GCVE-0-2023-2528)
Vulnerability from nvd – Published: 2023-05-16 23:35 – Updated: 2026-04-08 16:38
VLAI
EPSS
VEX
Title
Contact Form by Supsystic <= 1.7.24 - Cross-Site Request Forgery via AJAX action
Summary
The Contact Form by Supsystic plugin for WordPress is vulnerable to Cross-Site Request Forgery in versions up to, and including, 1.7.24. This is due to missing or incorrect nonce validation on the AJAX action handler. This makes it possible for unauthenticated attackers to execute AJAX actions via a forged request granted they can trick a site administrator into performing an action such as clicking on a link.
Severity
5.4 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-352 - Cross-Site Request Forgery (CSRF)
Assigner
References
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| supsysticcom | Contact Form by Supsystic |
Affected:
0 , ≤ 1.7.24
(semver)
|
Credits
{
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"timestamp": "2025-01-13T16:22:29.877246Z",
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"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"shortName": "CISA-ADP"
},
"title": "CISA ADP Vulnrichment"
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"providerMetadata": {
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"orgId": "b15e7b5b-3da4-40ae-a43c-f7aa60e62599",
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CVE-2026-4257 (GCVE-0-2026-4257)
Vulnerability from cvelistv5 – Published: 2026-03-30 21:26 – Updated: 2026-04-08 16:48
VLAI
EPSS
VEX
Title
Contact Form by Supsystic <= 1.7.36 - Unauthenticated Server-Side Template Injection via Prefill Functionality
Summary
The Contact Form by Supsystic plugin for WordPress is vulnerable to Server-Side Template Injection (SSTI) leading to Remote Code Execution (RCE) in all versions up to, and including, 1.7.36. This is due to the plugin using the Twig `Twig_Loader_String` template engine without sandboxing, combined with the `cfsPreFill` prefill functionality that allows unauthenticated users to inject arbitrary Twig expressions into form field values via GET parameters. This makes it possible for unauthenticated attackers to execute arbitrary PHP functions and OS commands on the server by leveraging Twig's `registerUndefinedFilterCallback()` method to register arbitrary PHP callbacks.
Severity
9.8 (Critical)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
- CWE-94 - Improper Control of Generation of Code ('Code Injection')
Assigner
References
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| supsysticcom | Contact Form by Supsystic |
Affected:
0 , ≤ 1.7.36
(semver)
|
Credits
{
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CVE-2024-13452 (GCVE-0-2024-13452)
Vulnerability from cvelistv5 – Published: 2025-04-16 02:12 – Updated: 2026-04-08 17:16
VLAI
EPSS
VEX
Title
Contact Form by Supsystic <= 1.7.29 - Cross-Site Request Forgery to Stored Cross-Site Scripting via saveAsCopy AJAX Action
Summary
The Contact Form by Supsystic plugin for WordPress is vulnerable to Cross-Site Request Forgery in all versions up to, and including, 1.7.29. This is due to missing or incorrect nonce validation on a saveAsCopy function. This makes it possible for unauthenticated attackers to update settings and inject malicious web scripts via a forged request granted they can trick a site administrator into performing an action such as clicking on a link.
Severity
6.1 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-79 - Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
Assigner
References
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| supsysticcom | Contact Form by Supsystic |
Affected:
0 , ≤ 1.7.29
(semver)
|
Credits
{
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"credits": [
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}
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CVE-2023-2528 (GCVE-0-2023-2528)
Vulnerability from cvelistv5 – Published: 2023-05-16 23:35 – Updated: 2026-04-08 16:38
VLAI
EPSS
VEX
Title
Contact Form by Supsystic <= 1.7.24 - Cross-Site Request Forgery via AJAX action
Summary
The Contact Form by Supsystic plugin for WordPress is vulnerable to Cross-Site Request Forgery in versions up to, and including, 1.7.24. This is due to missing or incorrect nonce validation on the AJAX action handler. This makes it possible for unauthenticated attackers to execute AJAX actions via a forged request granted they can trick a site administrator into performing an action such as clicking on a link.
Severity
5.4 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-352 - Cross-Site Request Forgery (CSRF)
Assigner
References
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| supsysticcom | Contact Form by Supsystic |
Affected:
0 , ≤ 1.7.24
(semver)
|
Credits
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"url": "https://plugins.trac.wordpress.org/browser/contact-form-by-supsystic/trunk/classes/frame.php?rev=2777737#L297"
},
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"url": "https://plugins.trac.wordpress.org/browser/contact-form-by-supsystic/trunk/classes/frame.php?rev=2912584#L230"
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"metrics": [
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"timestamp": "2025-01-13T16:22:29.877246Z",
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"orgId": "b15e7b5b-3da4-40ae-a43c-f7aa60e62599",
"shortName": "Wordfence"
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"url": "https://www.wordfence.com/threat-intel/vulnerabilities/id/1c387b07-baf6-4c62-943e-4bd121160ceb?source=cve"
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