CVE-2023-5546
Moodle: stored xss in quiz grading report via user id number
MEDIUM
5.4
CVSS Score
Published: November 9, 2023 at 07:34 PM UTC
Updated: June 17, 2026 at 06:48 AM UTC
3 products affected across 3 vendorsFedoraEnterprise LinuxMoodle
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Severity
MEDIUM5.4
Exploit prediction
EPSS 1%
SSVC
No known exploit
Description
ID numbers displayed in the quiz grading report required additional sanitizing to prevent a stored XSS risk.
Affected
Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.
Affected range stops below 4.0.11, so it looks safe — our inference, not a vendor statement
Affected range stops below 4.1.6, so it looks safe — our inference, not a vendor statement
Affected range stops below 4.2.3, 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=2243445SSVC — 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
- REQUIRED
- Scope
- CHANGED
- Confidentiality
- LOW
- Integrity
- LOW
- Availability
- NONE
Vector?
Quick Info
StatusMODIFIED
CWE
CWE-79
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