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CVE-2025-3645Moodle: idor in messaging web service allows access to some user details
- 4.3MediumCVSS base score
- 0.37%Exploitation in 30 daysEPSS · top 69% of all CVEs
- NoKnown exploitednot in CISA's KEV catalog
- NonePublic exploitsnone known yet
Description
A flaw was found in Moodle. Insufficient capability checks in a messaging web service allowed users to view other users' names and online statuses.
Timeline
ID reserved
By fedora
- 10 days later
· 10 days later
Published
- 3 days later
· 3 days 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 |
|---|---|---|---|
| fedoraCNA (assigner) | 3.1 | Medium4.3 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N |
| NVDNVD · Analyzed | 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)
- 0.37% · top 69% of all CVEs (12 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 4.5.0 – < 4.5.4
- affected 4.4.0 – < 4.4.8
- affected 4.3.0 – < 4.3.12
- affected 4.1.0 – < 4.1.18
Affected packages
From reviewed advisories of the GitHub Advisory Database.
- Packagistmoodle/moodleGHSA-pj96-xh2w-fgqx (opens in a new tab)
References
References3
- https://access.redhat.com/security/cve/CVE-2025-3645 (opens in a new tab)vdb-entryx_refsource_REDHAT
- RHBZ#2359761 (opens in a new tab)issue-trackingx_refsource_REDHAT
- https://moodle.org/mod/forum/discuss.php?d=467606 (opens in a new tab)
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-2025-12516 (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisory GHSA-pj96-xh2w-fgqx (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
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[](https://cveledger.app/cve/CVE-2025-3645)Record last updated .