CVE-2023-28336
Moodle: teacher can access names of users they do not have permission to access
MEDIUM
4.3
CVSS Score
Published: March 23, 2023 at 12:00 AM UTC
Updated: June 17, 2026 at 05:47 AM UTC
2 products affected across 2 vendorsFedoraMoodle
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Severity
MEDIUM4.3
Exploit prediction
EPSS 0.7%
SSVC
No known exploit
Description
Insufficient filtering of grade report history made it possible for teachers to access the names of users they could not otherwise access.
Affected
Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.
95%
Affected range stops below 3.11.13, so it looks safe — our inference, not a vendor statement
Affected range stops below 3.9.20, so it looks safe — our inference, not a vendor statement
Affected range stops below 4.0.7, so it looks safe — our inference, not a vendor statement
Remediation
No guide yetNo remediation guidance has been written for this CVE yet. What the record does show:
References (3)
Issue Trackingx_refsource_REDHAT
Source: [email protected]
https://bugzilla.redhat.com/show_bug.cgi?id=2179426SSVC — Action Prioritization
SSVCNo known exploitNot automatablePartial impact
SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.
CVSS
- Attack Vector
- NETWORK
- Complexity
- LOW
- Privileges
- LOW
- User Interaction
- NONE
- Scope
- UNCHANGED
- Confidentiality
- LOW
- Integrity
- NONE
- Availability
- NONE
Vector?
Quick Info
StatusMODIFIED
CWE
CWE-200CWE-668
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