CVE-2025-67851 - CVE House
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Status published Medium CVE-2025-67851

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

Vulnerability 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.

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

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Credits & Attribution

The following person or organization is credited with identifying this vulnerability, as recorded in the NVD database:

  • Red Hat would like to thank Brendan Heywood for reporting this issue.

References

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Affected Vendor

Affected Software

Unknown
Vulnerable Versions:
4.1.0, 4.4.0, 4.5.0, 5.0.0, 5.1.0

Timeline

Official Publish: February 3rd, 2026
Last Modified: February 3rd, 2026
Added to House: July 22nd, 2026

CVSS Vectors

V3: CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:L/I:H/A:L

Weaknesses (CWE)

CWE-1236

MITRE ATT&CK TTPs

No associated TTPs found for this vulnerability.