Description
The Passster – Password Protect Pages and Content plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the plugin's 'content_protector' shortcode in all versions up to, and including, 4.2.24. 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. The vulnerability was partially patched in version 4.2.21.
Metrics
CVSS 3.1 6.4/10
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:NWeakness enumeration
Affected software
| Vendor | Product | Versions |
|---|---|---|
| wpchill | Passster – Password Protect Pages and Content | <= 4.2.24 |
References
- https://plugins.trac.wordpress.org/browser/content-protector/tags/4.2.20/inc/class-ps-public.php#L136
- https://plugins.trac.wordpress.org/changeset/3422595/
- https://plugins.trac.wordpress.org/changeset/3439532/
- https://www.wordfence.com/threat-intel/vulnerabilities/id/4ea939f5-8b56-44be-bd20-b69e9ded5970?source=cve
Timeline
- Published
- Jan 28, 2026
- Last modified
- Jun 17, 2026
- NVD status
- Deferred