PatchSiren cyber security CVE debrief
CVE-2026-16563 Academy LMS CVE debrief
The Academy LMS WordPress plugin before 3.8.3 does not verify course enrollment or lesson publication status when returning a single lesson through its REST API, allowing users with a self-service student (Subscriber-level) account to disclose the content of arbitrary lessons, including lessons of paid courses they are not enrolled in and unpublished (draft, pending, private) lessons.
- Vendor
- Academy LMS
- Product
- Academy LMS WordPress plugin
- CVSS
- MEDIUM 6.5
- CISA KEV
- Not listed in stored evidence
- Original CVE published
- 2026-08-03
- Original CVE updated
- 2026-08-26
- Advisory published
- 2026-08-03
- Advisory updated
- 2026-08-26
Who should care
Users of the Academy LMS WordPress plugin, particularly those with sensitive course content, should verify their plugin version and take defensive actions to prevent unauthorized access. This includes updating to version 3.8.3 or later, verifying course enrollment checks, and validating lesson publication status in API responses. Additionally, users should monitor for suspicious API activity and restrict access to sensitive course content.
Technical summary
The Academy LMS WordPress plugin before 3.8.3 does not verify course enrollment or lesson publication status when returning a single lesson through its REST API. This allows users with a self-service student (Subscriber-level) account to disclose the content of arbitrary lessons, including lessons of paid courses they are not enrolled in and unpublished (draft, pending, private) lessons. The plugin's REST API does not implement proper access controls, leading to potential unauthorized access to sensitive course content.
Defensive priority
Verify course enrollment and lesson publication checks in Academy LMS plugin REST API
Recommended defensive actions
- Verify course enrollment checks in Academy LMS plugin REST API
- Validate lesson publication status in API responses
- Restrict access to sensitive course content
- Monitor for suspicious API activity
- Update Academy LMS plugin to version 3.8.3 or later
Evidence notes
The Academy LMS WordPress plugin before 3.8.3 does not verify course enrollment or lesson publication status when returning a single lesson through its REST API, allowing users with a self-service student (Subscriber-level) account to disclose the content of arbitrary lessons, including lessons of paid courses they are not enrolled in and unpublished (draft, pending, private) lessons. Evidence from WPScan indicates vulnerability in Academy LMS WordPress plugin before 3.8.3; official CVE and NVD records provide additional context. WPScan's research highlights the importance of verifying course enrollment and lesson publication checks.
Sources and references
Verified primary and authoritative sources
-
CVE-2026-16563 CVE Program record
Publisher, destination, and source semantics verified
URL: https://www.cve.org/CVERecord?id=CVE-2026-16563
CVE Program - Official CVE Program record with source-provided CVE metadata.
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CVE-2026-16563 NVD vulnerability detail
Publisher, destination, and source semantics verified
URL: https://nvd.nist.gov/vuln/detail/CVE-2026-16563
NIST National Vulnerability Database - Official NIST NVD detail page and source-specific vulnerability assessment.
Supplemental references
-
Source reference
Unverified legacy reference
URL: https://wpscan.com/vulnerability/eec480b0-67af-4642-b6b3-cba095394286/
Methodology and review provenance
AI-assisted synthesis based on stored public vulnerability evidence. System validation, approval state, and publication status do not by themselves establish human review of this revision. PatchSiren helps prioritize defensive review and does not prove exposure or remediation on any system.