Description
The List Site Contributors plugin for WordPress is vulnerable to Reflected Cross-Site Scripting via the 'alpha' parameter in versions up to, and including, 1.1.8 due to insufficient input sanitization and output escaping. This makes it possible for unauthenticated attackers to inject arbitrary web scripts in pages that execute if they can successfully trick a user into performing an action such as clicking on a link.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| mallsop | List Site Contributors | ≤ 1.1.8 | — |
Public exploits
Exploit or proof-of-concept code for this vulnerability is publicly available, which lowers the bar for attackers. Treat it as a reason to patch sooner.
GitHub 1 repository
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m4sh-wacker/CVE-2026-0594-ListSiteContributors-Plugin-Exploit ★ 2 · Jan 22, 2026
CVE-2026-0594 List Site Contributors Plugin Exploit
Sources: PoC-in-GitHub, Metasploit Framework, Exploit-DB — updated daily. Only links are listed; no exploit code is hosted here.
Automated scanner template
A ready-made Nuclei template detects this vulnerability automatically. Vulnerabilities with public scanner templates are typically probed across the internet soon after the template appears — exposed systems should be patched first.
- WordPress List Site Contributors < 1.1.8 - Reflected XSS http/cves/2026/CVE-2026-0594.yaml
Source: projectdiscovery/nuclei-templates (MIT) — updated daily. Only links are listed.
References
- https://www.wordfence.com/threat-intel/vulnerabilities/id/026a2e0d-4d30-4133-9118-055026aa9f4a?source=cve
- https://plugins.trac.wordpress.org/browser/list-site-contributors/trunk/list-site-contributors.php#L435
- https://plugins.trac.wordpress.org/browser/list-site-contributors/tags/1.1.8/list-site-contributors.php#L435