CVE-2026-5063

HIGH EPSS 15.4%
Published May 3, 20261mo ago · Modified Jun 17, 20261w ago
7.2 CVSS 3.1
High
Find Similar
Published May 3, 2026 1mo ago
Last Modified Jun 17, 2026 1w ago

Description

The NEX-Forms – Ultimate Forms Plugin for WordPress plugin for WordPress is vulnerable to Stored Cross-Site Scripting via POST parameter key names in the submit_nex_form() function in versions up to, and including, 9.1.11 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.

CVSS Details

Base Score
7.2
Exploitability
3.9
Impact
2.7
Vector string
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N
Attack Vector Network
Attack Complexity Low
Privileges Required None
User Interaction None
Scope Changed
Confidentiality Low
Integrity Low
Availability None

Threat Intelligence

EPSS Exploit Probability
15.4% percentile
Exploit & Patch Status
No Known Exploit
No Patch Available

Weaknesses 1

CWE-79 Cross-site Scripting Injection

References 2

  • plugins.trac.wordpress.org https://plugins.trac.wordpress.org/changeset/3513524/nex-forms-express-wp-form-builder
  • wordfence.com https://www.wordfence.com/threat-intel/vulnerabilities/id/9bac82ee-55bf-4381-b441-115a675e4834?source=cve

Remediation

No remediation data recorded yet

Check vendor advisories and the NVD entry for patch availability.