Stored Cross-site Scripting Vulnerability in Nelio Popups by Nelio Software
CVE-2025-66111

6.1MEDIUM

Key Information:

Vendor

WordPress

Vendor
CVE Published:
21 November 2025

What is CVE-2025-66111?

A stored cross-site scripting (XSS) vulnerability exists in the Nelio Popups plugin developed by Nelio Software. This issue arises due to improper neutralization of input during web page generation, which permits attackers to inject malicious scripts. As a result, any user utilizing the affected plugin version (up to 1.3.0) could potentially have their session hijacked or be subjected to phishing attacks, thereby compromising the security of their WordPress site.

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Affected Version(s)

Nelio Popups <= n/a

References

CVSS V3.1

Score:
6.1
Severity:
MEDIUM
Confidentiality:
Low
Integrity:
Low
Availability:
Low
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
Required
Scope:
Changed

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

daroo | Patchstack Bug Bounty Program
.