CVE-2021-40848

mediumpriority · track · 31EPSS 0.010 · 62 %ileEUUS

grimoire priorityP3 · Track

Exploitable?

—

no known exploitation

Likely / severe?

0.99% (62nd) EPSS

CVSS 6.8 · medium

Is it mine?

5 products

Check your exposure

Who says so?

3 sources

cnnvd · enisa_euvd · nvd

EPSS · scored 2026-10-27

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.

cvss

Technical severity, 0–10. One row per scoring source.

7.8

010

base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · medium–high · 6.8–7.8

v2.06.8mediumAV:N/AC:M/Au:N/C:P/I:P/A:Pprimary · NVD / NIST USexploitability 8.6 · impact 6.4

v3.17.8highCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:Hprimary · NVD / NIST USexploitability 1.8 · impact 5.9

v3.17.1highCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:Usecondary · CVSS-BT (t0sche)

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-1236USprimary

affected products (5)

Products and version ranges known to be affected.

n/a n/a≤ n/aenisa_euvdEU
mahara mahara< 20.04.5nvdUScpe:2.3:a:mahara:mahara:*:*:*:*:*:*:*:*
mahara mahara20.10.0 → 20.10.3nvdUScpe:2.3:a:mahara:mahara:*:*:*:*:*:*:*:*
mahara mahara21.04.0 → 21.04.2nvdUScpe:2.3:a:mahara:mahara:*:*:*:*:*:*:*:*
mahara mahara= 21.10.0nvdUScpe:2.3:a:mahara:mahara:*:*:*:*:*:*:*:*

also known as (3)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd nvd NVD CVE.org MITRE

published 2021-11-03modified 2026-06-17

related (326)

Related entries.

ID	severity	EPSS	exploitable	published
CVE-2021-33256US	high8.8	79.0% (100th)	—	2021-08-09
A CSV injection vulnerability on the login panel of ManageEngine ADSelfService Plus Version: 6.1 Build No: 6101 can be exploited by an unauthenticated user. The j_username paramete…
CVE-2018-11652US	critical9.8	23.6% (98th)	Exploit	2018-06-01
CSV Injection vulnerability in Nikto 2.1.6 and earlier allows remote attackers to inject arbitrary OS commands via the Server field in an HTTP response header, which is directly in…
CVE-2019-12765US	critical9.8	10.5% (96th)	Exploit	2019-06-11
An issue was discovered in Joomla! before 3.9.7. The CSV export of com_actionslogs is vulnerable to CSV injection.
CVE-2018-9035US	critical9.6	7.30% (94th)	Exploit	2018-04-04
CSV Injection vulnerability in ExportToCsvUtf8.php of the Contact Form 7 to Database Extension plugin 2.10.32 for WordPress allows remote attackers to inject spreadsheet formulas i…
CVE-2020-10131US	critical9.8	1.55% (75th)	Exploit	2023-09-06
SearchBlox before Version 9.2.1 is vulnerable to CSV macro injection in "Featured Results" parameter.

+321 more

references (7)

External citations — patches, advisories, analysis.

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