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CVE-2023-28336Moodle: teacher can access names of users they do not have permission to access
- 4.3MediumCVSS base score
- 0.74%Exploitation in 30 daysEPSS · top 45% of all CVEs
- NoKnown exploitednot in CISA's KEV catalog
- NonePublic exploitsnone known yet
Description
Insufficient filtering of grade report history made it possible for teachers to access the names of users they could not otherwise access.
Timeline
ID reserved
By fedora
- 9 days later
· 9 days later
Published
- 17 months later
· 17 months later
Record updated
Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Modified | 3.1 | Medium4.3 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N |
- EPSS (exploitation in 30 days)
- 0.74% · top 45% of all CVEs (15 Nov 2026)
- CISA SSVC
- Exploitation: none · Automatable: no · Technical impact: partial
Loading the EPSS history…
The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 4.3.
Affected products
moodle
- affected 4.1.0 – < 4.1.2
- affected 4.0.0 – < 4.0.7
- affected 3.11.0 – < 3.11.13
- affected < 3.9.20
Affected packages
From reviewed advisories of the GitHub Advisory Database.
- Packagistmoodle/moodleGHSA-prjm-2fj2-787f (opens in a new tab)
References
References3
- RHBZ#2179426 (opens in a new tab)issue-trackingx_refsource_REDHATx_transferred
- FEDORA-2023-d9c13996b2 (opens in a new tab)vendor-advisoryx_transferred
- https://moodle.org/mod/forum/discuss.php?d=445068 (opens in a new tab)x_transferred
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- EUVD EUVD-2023-1074 (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisory GHSA-prjm-2fj2-787f (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://cveledger.app/cve/CVE-2023-28336)Record last updated .