Academy LMS < 3.8.3 - Subscriber+ Arbitrary Lesson Content Disclosure via lessons REST Endpoint
Priority MEDIUM 62CWE-284Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Security bypass
- Confidentiality · integrity · availability
- High · None · None
- Fix status
- Fixed
Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA. Impact type from CWE-284.
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, 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account to disclose the content of arbitrary lessons, including lessons of paid courses they are not enrolled in and unpublished (draft, pending, private) lessons.
Why it matters now
Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.0034 27th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by the CNA
Fix Fixed Academy LMS (Unknown): 3.8.3
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- Poc
- Automatable
- No
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| Unknown | Academy LMS | before 3.8.3 | 3.8.3 | Patch available | CNA |
- Academy LMS VendorUnknown Affected before 3.8.3 Fixed in 3.8.3 Patch available CNA
Remediation
- Fix · CNA Academy LMS (Unknown) Fixed in 3.8.3
Timeline
- 2026-10-02 Threatist record created from CVE-2026-16563
- 2026-10-03 Alias added: GHSA-9988-37r6-j7j6
References
Sources
- CVE-2026-16563 · CVE Program
- CVE-2026-16563 · NVD
- FIRST EPSS
- GHSA-9988-37r6-j7j6 · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences