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Vulnerability record · CVE-2023-5550 · published 9 November 2023

CVE-2023-5550: Moodle code injection vulnerability

Moodle · Moodle

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.

9.8 CVSS 3.1 Critical EPSS 1.4% · top 29.1% CWE-94 · Code injection
9.8CVSS 3.1 base score
1.4%EPSS exploitation probability, 30 days
NoNot in CISA KEV
3Affected product versions listed by NVD
6References
17 Jun 2026Last modified by NVD

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.

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected products

3 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
http://git.moodle.org/gw?p=moodle.git&a=search&h=HEAD&st=commit&s=MDL-72249 Patch
https://bugzilla.redhat.com/show_bug.cgi?id=2243452 Issue TrackingThird Party Advisory
https://moodle.org/mod/forum/discuss.php?d=451591 PatchVendor Advisory
http://git.moodle.org/gw?p=moodle.git&a=search&h=HEAD&st=commit&s=MDL-72249 Patch
https://bugzilla.redhat.com/show_bug.cgi?id=2243452 Issue TrackingThird Party Advisory
https://moodle.org/mod/forum/discuss.php?d=451591 PatchVendor Advisory

Track CVE-2023-5550 inside VULONE

Watch it alongside the ransomware crews, C2 infrastructure and forum chatter that reference it, query it through the API and pull it into your SIEM over TAXII.

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2023-5550), CISA KEV, FIRST EPSS (scores of 2026-09-30). This page is refreshed as NVD updates the record.