In Mahara before 20.04.5, 20.10.3, 21.04.2, and 21.10.0, exported CSV files could contain…
Priority LOW 36CWE-1236Published · Updated
Key facts
- Attack vector
- Local
- Privileges required
- None
- User interaction
- Required
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA.
Summary
In Mahara before 20.04.5, 20.10.3, 21.04.2, and 21.10.0, exported CSV files could contain characters that a spreadsheet program could interpret as a command, leading to execution of a malicious string locally on a device, aka CSV injection.
Why it matters now
EPSS 0.0099 62nd percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
CPE configurations NVD · 3
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:mahara:mahara:*:*:*:*:*:*:*:* | before 20.04.5; 20.10.0 to before 20.10.3; 21.04.0 to before 21.04.2 | Vulnerable | Mahara |
| cpe:2.3:a:mahara:mahara:21.10.0:rc1:*:*:*:*:*:* | 21.10.0 rc1 | Vulnerable | Mahara |
| cpe:2.3:a:mahara:mahara:21.10.0:rc2:*:*:*:*:*:* | 21.10.0 rc2 | Vulnerable | Mahara |
- cpe:2.3:a:mahara:mahara:*:*:*:*:*:*:*:* Versions before 20.04.5; 20.10.0 to before 20.10.3; 21.04.0 to before 21.04.2 Vulnerable ·Mahara
- cpe:2.3:a:mahara:mahara:21.10.0:rc1:*:*:*:*:*:* Versions 21.10.0 rc1 Vulnerable ·Mahara
- cpe:2.3:a:mahara:mahara:21.10.0:rc2:*:*:*:*:*:* Versions 21.10.0 rc2 Vulnerable ·Mahara
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2021-40848
- 2026-10-03 Alias added: GHSA-xxj6-2w57-fchv
References
More Mahara vulnerabilities
- TI-2024-32112 An issue was discovered in Mahara 23.04.8 and 24.04.4. CVSS 3.1HIGH 8.8
- TI-2022-21886 Mahara 21.04 before 21.04.7, 21.10 before 21.10.5, 22.04 before 22.04.3, and 22.10 before… CVSS 3.1CRITICAL 9.8
- TI-2022-22209 Mahara 21.10 before 21.10.6, 22.04 before 22.04.4, and 22.10 before 22.10.1 deserializes… CVSS 3.1CRITICAL 9.8
- TI-2024-26290 Supported versions of Mahara 24.04 before 24.04.1 and 23.04 before 23.04.6 are vulnerable… CVSS 3.1CRITICAL 9.1
- TI-2021-17772 In Mahara before 20.04.5, 20.10.3, 21.04.2, and 21.10.0, the account associated with a… CVSS 3.1CRITICAL 9.8
- TI-2017-14488 Mahara 15.04 before 15.04.8 and 15.10 before 15.10.4 and 16.04 before 16.04.2 are… CVSS 3.0CRITICAL 9.8
Sources
- CVE-2021-40848 · CVE Program
- CVE-2021-40848 · NVD
- FIRST EPSS
- GHSA-xxj6-2w57-fchv · GitHub Advisory Database · CC BY 4.0
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