CVE-2023-28332
Moodle: algebra filter xss when filter is misconfigured
MEDIUM
6.1
CVSS Score
Published: March 23, 2023 at 12:00 AM UTC
Updated: June 17, 2026 at 05:47 AM UTC
1 product affected across 1 vendorMoodle
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Severity
MEDIUM6.1
Exploit prediction
EPSS 0.6%
SSVC
No known exploit
Description
If the algebra filter was enabled but not functional (eg the necessary binaries were missing from the server), it presented an XSS risk.
Affected
Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.
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=2179419Issue TrackingPatchVendor Advisory
Source: [email protected]
https://moodle.org/mod/forum/discuss.php?d=445064SSVC — 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
- NONE
- User Interaction
- REQUIRED
- Scope
- CHANGED
- Confidentiality
- LOW
- Integrity
- LOW
- Availability
- NONE
Vector?
Quick Info
StatusMODIFIED
CWE
CWE-79
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