What is CVE-2025-26527?

CVE-2025-26527 is a medium-severity vulnerability in Moodle, classified under CWE-1230. CVSS score: 5.3/10. Published 2025-02-24.

How severe is CVE-2025-26527?

Medium severity. CVSS v3 base score is 5.3 out of 10.

Vulnerability in Moodle

CVE-2025-26527

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

CVSS v3 metric

CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N.

EPSS exploit prediction

EPSS: 0.004 (27.6th percentile), scored 2026-09-30.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 28th percentile — 27.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.004 · newest: 0.004 · change: +0.000

Affected products

Moodle
Moodle Project — versions 4.5.0, 4.4.0, 4.3.0

Weakness classification (CWE)

CWE-1230

References

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

Frequently asked questions

What is CVE-2025-26527?: CVE-2025-26527 is a medium-severity vulnerability in Moodle, classified under CWE-1230. CVSS score: 5.3/10. Published 2025-02-24.
How severe is CVE-2025-26527?: Medium severity. CVSS v3 base score is 5.3 out of 10.