Vulnerability in Moodle
CVE-2025-67851
A flaw was found in moodle. This formula injection vulnerability occurs when data fields are exported without proper escaping. A remote attacker could exploit this by providing malicious data that, when exported and opened in a spreadsheet, allows arbitrary formulas to execute. This can lead to compromised data integrity and unintended operations within the spreadsheet.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 6.1 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:L/I:H/A:L.
EPSS exploit prediction
EPSS: 0.003 (16.9th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 17th percentile — 16.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.003 · newest: 0.003 · change: +0.000
Affected products
- Moodle — versions 5.1.0
Weakness classification (CWE)
References
- access.redhat.com/security/cve/CVE-2025-67851 (Third Party Advisory, vdb-entry)
- bugzilla.redhat.com/show_bug.cgi (issue-tracking, Third Party Advisory, Issue Tracking)
- moodle.org/mod/forum/discuss.php (Vendor Advisory)
Frequently asked questions
- What is CVE-2025-67851?
- CVE-2025-67851 is a medium-severity vulnerability in Moodle, classified under Improper Neutralization of Formula Elements in a CSV File. CVSS score: 6.1/10. Published 2026-02-03.
- How severe is CVE-2025-67851?
- Medium severity. CVSS v3 base score is 6.1 out of 10.