CVE-2023-2528
Contact Form by Supsystic <= 1.7.24 - Cross-Site Request Forgery via AJAX action
CVSS Score
5.4
EPSS Score
0.0%
EPSS Percentile
0th
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.
| CWE | CWE-352 |
| Vendor | supsysticcom |
| Product | contact form by supsystic |
| Published | May 16, 2023 |
| Last Updated | Apr 8, 2026 |
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CVSS v3 Breakdown
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:L Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability
Affected Versions
supsysticcom / Contact Form by Supsystic
0 ≤ 1.7.24
References
wordfence.com: https://www.wordfence.com/threat-intel/vulnerabilities/id/1c387b07-baf6-4c62-943e-4bd121160ceb?source=cve plugins.trac.wordpress.org: https://plugins.trac.wordpress.org/browser/contact-form-by-supsystic/trunk/classes/frame.php?rev=2777737#L297 plugins.trac.wordpress.org: https://plugins.trac.wordpress.org/browser/contact-form-by-supsystic/trunk/classes/frame.php?rev=2912584#L230
Credits
Marco Wotschka