CVE-2025-5841
ACF Onyx Poll <= 1.1.9 - Authenticated (Contributor+) Stored Cross-Site Scripting via class Parameter
The ACF Onyx Poll plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the ‘class’ parameter in all versions up to, and including, 1.1.9 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with Contributor-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- Low
- User interaction
- None
What an attacker can affect
- Confidentiality
- Low
- Integrity
- Low
- Availability
- None
Exploit likelihood
What each source reports
CVE List Score used
ACF Onyx Poll <= 1.1.9 - Authenticated (Contributor+) Stored Cross-Site Scripting via class Parameter
The ACF Onyx Poll plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the ‘class’ parameter in all versions up to, and including, 1.1.9 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with Contributor-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.
- Record
CVE-2025-5841- CVSS 3.1
- 6.4 Medium
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N - Weakness
- CWE-79
- Updated
- 2026-11-02
EUVDEUVD-2025-18236
The ACF Onyx Poll plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the ‘class’ parameter in all versions up to, and including, 1.1.9 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with Contributor-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.
- Record
EUVD-2025-18236- CVSS 3.1
- 6.4 Medium
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N - Updated
- 2026-11-02
GitHub AdvisoriesGHSA-whg8-6m3w-c9q7
The ACF Onyx Poll plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the ...
The ACF Onyx Poll plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the ‘class’ parameter in all versions up to, and including, 1.1.9 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with Contributor-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.
- Record
GHSA-whg8-6m3w-c9q7- CVSS 3.1
- 6.4 Medium
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N - Weakness
- CWE-79
- Updated
- 2026-11-02
NVD
The ACF Onyx Poll plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the ‘class’ parameter in all versions up to, and including, 1.1.9 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with Contributor-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.
- Record
CVE-2025-5841- CVSS 3.1
- 6.4 Medium
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N - Weakness
- CWE-79
- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| first indexed | CVE List, EUVD, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2025-5841 is a medium vulnerability (CVSS 6.4) in Andremacola Acf Onyx Poll, published June 13, 2025. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.29%, the 22nd percentile. No source names a fixed version.
References
wordfence.com/threat-intel/vulnerabilities/id/9f4302f8-e9da-436f-9b4b-d01d3dbe9f31?source=cve
plugins.trac.wordpress.org/browser/acf-onyx-poll/tags/1.1.8/onyx-poll.php
wordpress.org/plugins/acf-onyx-poll
nvd.nist.gov/vuln/detail/CVE-2025-5841
github.com/advisories/GHSA-whg8-6m3w-c9q7