What is CVE-2025-26533?

CVE-2025-26533 is a high-severity vulnerability in Moodle, classified under SQL Injection. CVSS score: 8.1/10. Published 2025-02-24.

How severe is CVE-2025-26533?

High severity. CVSS v3 base score is 8.1 out of 10.

SQL Injection in Moodle

CVE-2025-26533

An SQL injection risk was identified in the module list filter within course search.

Vulnerability class: SQL Injection

Published 2025-02-24 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 8.1 (High). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.006 (44.7th percentile), scored 2026-09-30.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 45th percentile — 44.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.005 · newest: 0.006 · change: +0.001

Affected products

Moodle
Moodle Project — versions 4.5.0, 4.4.0, 4.3.0

Weakness classification (CWE)

CWE-89 — SQL Injection

References

moodle.org/mod/forum/discuss.php (vendor-advisory, Vendor Advisory)
git.moodle.org/gw (Patch, patch)

Frequently asked questions

What is CVE-2025-26533?: CVE-2025-26533 is a high-severity vulnerability in Moodle, classified under SQL Injection. CVSS score: 8.1/10. Published 2025-02-24.
How severe is CVE-2025-26533?: High severity. CVSS v3 base score is 8.1 out of 10.