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Vulnerability record · CVE-2023-5545 · published 9 November 2023

CVE-2023-5545: Moodle information exposure vulnerability

Moodle · Moodle

H5P metadata automatically populated the author with the user's username, which could be sensitive information.

5.3 CVSS 3.1 Medium EPSS 0.54% · top 56.8% CWE-200 · Information exposureCWE-668 · Exposure of resource to wrong sphere
5.3CVSS 3.1 base score
0.54%EPSS exploitation probability, 30 days
NoNot in CISA KEV
3Affected product versions listed by NVD
6References
17 Jun 2026Last modified by NVD

Description

H5P metadata automatically populated the author with the user's username, which could be sensitive information.

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

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-78820 Patch
https://bugzilla.redhat.com/show_bug.cgi?id=2243444 Issue TrackingPatch
https://moodle.org/mod/forum/discuss.php?d=451586 PatchVendor Advisory
http://git.moodle.org/gw?p=moodle.git&a=search&h=HEAD&st=commit&s=MDL-78820 Patch
https://bugzilla.redhat.com/show_bug.cgi?id=2243444 Issue TrackingPatch
https://moodle.org/mod/forum/discuss.php?d=451586 PatchVendor Advisory

Track CVE-2023-5545 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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Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2023-5545), CISA KEV, FIRST EPSS (scores of 2026-09-30). This page is refreshed as NVD updates the record.