CVE-2023-2528

HIGH EPSS 23.8%
Published May 17, 20233y ago · Modified Jun 17, 20262w ago
8.8 CVSS 3.1
High
Find Similar
Published May 17, 2023 3y ago
Last Modified Jun 17, 2026 2w ago

Description

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.

CVSS Details

Base Score
8.8
Exploitability
2.8
Impact
5.9
Vector string
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Attack Vector Network
Attack Complexity Low
Privileges Required None
User Interaction Required
Scope Unchanged
Confidentiality High
Integrity High
Availability High

Threat Intelligence

EPSS Exploit Probability
23.8% percentile
Exploit & Patch Status
No Known Exploit
No Patch Available

Weaknesses 1

CWE-352 Cross-Site Request Forgery (CSRF) Authentication

Affected Products 1

VendorProductVersionRange
supsysticcontact_form* ≤1.7.24

References 3

  • plugins.trac.wordpress.org https://plugins.trac.wordpress.org/browser/contact-form-by-supsystic/trunk/classes/frame.php?rev=2777737#L297
    Issue Tracking
  • plugins.trac.wordpress.org https://plugins.trac.wordpress.org/browser/contact-form-by-supsystic/trunk/classes/frame.php?rev=2912584#L230
    Issue Tracking
  • wordfence.com https://www.wordfence.com/threat-intel/vulnerabilities/id/1c387b07-baf6-4c62-943e-4bd121160ceb?source=cve
    Third Party Advisory

Remediation

No remediation data recorded yet

Check vendor advisories and the NVD entry for patch availability.