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CVE-2023-5550Moodle: rce due to lfi risk in some misconfigured shared hosting environments
- 6.5MediumCVSS base score
- 1.6%Exploitation in 30 daysEPSS · top 24% of all CVEs
- NoKnown exploitednot in CISA's KEV catalog
- NonePublic exploitsnone known yet
Description
In a shared hosting environment that has been misconfigured to allow access to other users' content, a Moodle user who also has direct access to the web server outside of the Moodle webroot could utilise a local file include to achieve remote code execution.
Timeline
ID reserved
By fedora
- 28 days later
· 28 days later
Published
- 9 months later
· 9 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 |
|---|---|---|---|
| fedoraCNA (assigner) | 3.1 | Medium6.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N |
| NVDNVD · Modified | 3.1 | Critical9.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
- EPSS (exploitation in 30 days)
- 1.6% · top 24% of all CVEs (14 Nov 2026)
- CISA SSVC
- Exploitation: none · Automatable: yes · 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 6.5.
Affected products
moodle
- affected 4.2.0 – < 4.2.3
- affected 4.1.0 – < 4.1.6
- affected 4.0.0 – < 4.0.11
- affected 3.11.0 – < 3.11.17
- affected < 3.9.24
Affected packages
From reviewed advisories of the GitHub Advisory Database.
- Packagistmoodle/moodleGHSA-5cvx-cwpx-9rjh (opens in a new tab)
References
References3
- http://git.moodle.org/gw?p=moodle.git&a=search&h=HEAD&st=commit&s=MDL-72249 (opens in a new tab)x_transferred
- RHBZ#2243452 (opens in a new tab)issue-trackingx_refsource_REDHATx_transferred
- https://moodle.org/mod/forum/discuss.php?d=451591 (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-2023-2887 (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisory GHSA-5cvx-cwpx-9rjh (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-2023-5550)Record last updated .