CVE-2025-67851

Moodle: moodle: formula injection allows arbitrary formula execution via unescaped data export

State: Published
Severity: 6.1 Medium
Published: Feb 3, 2026
Updated: Feb 3, 2026
Reserved: Dec 12, 2025

Description

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.

Scores

CVSS	Score	Vector	Source
3.1	6.1 Medium	CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:L/I:H/A:L	fedora

Weaknesses

CWE-1236 Improper Neutralization of Formula Elements in a CSV File

Affected Products

Product	Versions
moodle	4.1.0 to before 4.1.22Affected 4.4.0 to before 4.4.12Affected 4.5.0 to before 4.5.8Affected 5.0.0 to before 5.0.4Affected 5.1.0 to before 5.1.1Affected

References

https://access.redhat.com/security/cve/CVE-2025-67851vdb-entry
RHBZ#2423841issue-tracking
https://moodle.org/mod/forum/discuss.php?d=471301

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