Stored Cross-Site Scripting in ACF Onyx Poll Plugin by WordPress
CVE-2025-5841

6.4MEDIUM

Key Information:

Vendor

WordPress
Status
Acf Onyx Poll
Vendor
CVE Published:
13 June 2025

What is CVE-2025-5841?

The ACF Onyx Poll plugin for WordPress is susceptible to Stored Cross-Site Scripting due to inadequate input sanitization and output escaping, specifically via the 'class' parameter. Authenticated attackers with Contributor-level access and higher can exploit this vulnerability to inject malicious web scripts into pages, which will execute when users access these compromised pages. Proper mitigation protocols are essential to prevent this injection risk.

Affected Version(s)

ACF Onyx Poll * <= 1.1.9

References

https://www.wordfence.com/threat-intel/vulnerabilities/id...
https://plugins.trac.wordpress.org/browser/acf-onyx-poll/...
https://wordpress.org/plugins/acf-onyx-poll/#developers

CVSS V3.1

Score:
6.4
Severity:
MEDIUM
Confidentiality:
Low
Integrity:
Low
Availability:
Low
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
None
Scope:
Changed

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

Peter Thaleikis
.
CVE-2025-5841 : Stored Cross-Site Scripting in ACF Onyx Poll Plugin by WordPress