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Vulnerability record · CVE-2023-5548 · published 9 November 2023

CVE-2023-5548: Moodle insufficient verification of data authenticity vulnerability

Moodle · Moodle

Stronger revision number limitations were required on file serving endpoints to improve cache poisoning protection.

5.3 CVSS 3.1 Medium EPSS 0.29% · top 80.1% CWE-349 · CWE-349CWE-345 · Insufficient verification of data authenticity
5.3CVSS 3.1 base score
0.29%EPSS exploitation probability, 30 days
NoNot in CISA KEV
3Affected product versions listed by NVD
6References
17 Jun 2026Last modified by NVD

Description

Stronger revision number limitations were required on file serving endpoints to improve cache poisoning protection.

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/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-77846 Patch
https://bugzilla.redhat.com/show_bug.cgi?id=2243449 Issue TrackingPatchThird Party Advisory
https://moodle.org/mod/forum/discuss.php?d=451589 PatchVendor Advisory
http://git.moodle.org/gw?p=moodle.git&a=search&h=HEAD&st=commit&s=MDL-77846 Patch
https://bugzilla.redhat.com/show_bug.cgi?id=2243449 Issue TrackingPatchThird Party Advisory
https://moodle.org/mod/forum/discuss.php?d=451589 PatchVendor Advisory

Track CVE-2023-5548 inside VULONE

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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-2023-5548), CISA KEV, FIRST EPSS (scores of 2026-09-30). This page is refreshed as NVD updates the record.