Vulnerabilities / Nias course / WPSEC-2026-2823
Nias course <= 1.3.3 - Cross-Site Request Forgery to Course Curriculum Overwrite via nias_spotplayer_sync AJAX Action
Medium 4.3
CWE-352Fixed in 2.0.0
- ID
- WPSEC-2026-2823
- Plugin
- Nias Course Builder (nias-course)
- Affected
- all versions before 2.0.0
- Remediation
- Update to 2.0.0 or later.
- CVSS 3.1
- CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N
- Weakness
- CWE-352
- Usage
- Plugin Low · Affected versions Low among sites WPSec scans, 2026-11-10
- Attack surface
- Nias course on WPSec AttackSurface
- Fix released
- Published
Description
The Nias Course Builder plugin for WordPress is vulnerable to Cross-Site Request Forgery via the nias_spotplayer_sync AJAX action in all versions up to, and including, 1.3.3, due to missing nonce validation in the nias_spotplayer_sync_handler() function. This makes it possible for unauthenticated attackers to make the site fetch an attacker-chosen URL and replace a course's chapters and lessons with content parsed from that page, via a forged request, if they can trick a shop manager or administrator into performing an action such as clicking a link.
References
- https://wpsec.com/vuln/WPSEC-2026-2823/
- https://plugins.svn.wordpress.org/nias-course/tags/2.0.0/
- https://wordpress.org/plugins/nias-course/
Published by WPSec. Provided as is, without warranty. Corrections: contact us.
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