An Insecure Direct Object Reference (IDOR) in classroomio 0.1.13 allows students to…
Priority MEDIUM 53CWE-639Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Security bypass
- Confidentiality · integrity · availability
- Low · None · None
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA. Impact type from CWE-639.
Summary
An Insecure Direct Object Reference (IDOR) in classroomio 0.1.13 allows students to access sensitive admin/teacher endpoints by manipulating course IDs in URLs, resulting in unauthorized disclosure of sensitive course, admin, and student data. The leak occurs momentarily before the system reverts to a normal state restricting access.
Why it matters now
Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.00262 18th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix No fix listed No fixed version in the sources yet
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 |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
CPE configurations NVD · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:classroomio:classroomio:0.1.13:*:*:*:*:*:*:* | 0.1.13 | Vulnerable | classroomio |
- cpe:2.3:a:classroomio:classroomio:0.1.13:*:*:*:*:*:*:* Versions 0.1.13 Vulnerable ·classroomio
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2025-65670
- 2026-10-03 Alias added: GHSA-mh75-3225-9wcj
References
More Classroomio vulnerabilities
- TI-2025-40417 An issue was discovered in classroomio 0.1.13. CVSS 3.1CRITICAL 9.1
- TI-2025-40419 Insecure Direct Object Reference (IDOR) in classroomio 0.1.13 allows unauthorized share… CVSS 3.1HIGH 7.5
- TI-2025-40421 Stored Cross site scripting (XSS) vulnerability in Classroomio LMS 0.1.13 allows… CVSS 3.1MEDIUM 5.4
- TI-2025-40420 Stored Cross site scripting (XSS) vulnerability in Classroomio LMS 0.1.13 allows… CVSS 3.1MEDIUM 5.4
- TI-2025-41187 An issue in ClasroomIO before v.0.2.6 allows a remote attacker to escalate privileges via… CVSS 3.1HIGH 8.1
Sources
- CVE-2025-65670 · CVE Program
- CVE-2025-65670 · NVD
- FIRST EPSS
- GHSA-mh75-3225-9wcj · 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