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CVE-2021-41824

CSV Injection Vulnerability

8.8 HighFix available

Craft CMS before 3.7.14 allows CSV injection.

Attack profile

How easy it is to exploit

Attack vector
Network
Complexity
Low
Privileges needed
None
User interaction
Required

What an attacker can affect

Confidentiality
High
Integrity
High
Availability
High

Exploit likelihood

1.37%Up 0.7 points since Sep 30, 2021
90%50%10%1%

What each source reports

NVD Score used8.8

Craft CMS before 3.7.14 allows CSV injection.

Record
CVE-2021-41824
CVSS 3.1
8.8 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
CVSS 2.0
6.8 MediumAV:N/AC:M/Au:N/C:P/I:P/A:P
Weakness
CWE-1236
Updated
2026-11-02
CVE ListNo score

Craft CMS before 3.7.14 allows CSV injection.

Record
CVE-2021-41824
Updated
2026-11-02
EUVDEUVD-2021-2209No score

Craft CMS before 3.7.14 allows CSV injection.

Record
EUVD-2021-2209
Updated
2026-11-03
GitHub AdvisoriesGHSA-h7vq-5qgw-jwwq8.8

CSV Injection Vulnerability

Impact

In some circumstances, it was possible to export data in CSV format that could trigger a payload in old versions of Excel.

If you are accepting user input from untrusted sources and will be exporting that data in CSV format from element index pages and there is a chance users will open that on old versions of Excel, then you should update.

Patches

This has been patched in Craft 3.7.14.

References

For more information

If you have any questions or comments about this advisory, email us at support@craftcms.com

Credits: BAE Systems AI Vulnerability Research Team – Azrul Ikhwan Zulkifli

Record
GHSA-h7vq-5qgw-jwwq
CVSS 3.1
8.8 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Weakness
CWE-1236
Updated
2026-11-02
OSV8.8

Craft CMS before 3.7.14 allows CSV injection.

Record
CVE-2021-41824
CVSS 3.1
8.8 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Updated
2026-11-02
OSVGHSA-h7vq-5qgw-jwwq8.8

CSV Injection Vulnerability

Impact

In some circumstances, it was possible to export data in CSV format that could trigger a payload in old versions of Excel.

If you are accepting user input from untrusted sources and will be exporting that data in CSV format from element index pages and there is a chance users will open that on old versions of Excel, then you should update.

Patches

This has been patched in Craft 3.7.14.

References

For more information

If you have any questions or comments about this advisory, email us at support@craftcms.com

Credits: BAE Systems AI Vulnerability Research Team – Azrul Ikhwan Zulkifli

Record
GHSA-h7vq-5qgw-jwwq
CVSS 3.1
8.8 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Weakness
CWE-1236
Updated
2026-11-02

Affected products

Affected packages

Affected packages
PackageAffectedFixed
craftcms/cms
Packagist
3.4.0 up to 3.7.14
3.7.14
craftcms/cms
Packagist
3.4.0 up to 3.7.14, plus listed versions
3.4.0.13.4.0.23.4.13.4.103.4.10.1
Show 45 moreShow less
3.4.113.4.123.4.133.4.143.4.153.4.163.4.173.4.17.13.4.183.4.193.4.19.13.4.23.4.203.4.213.4.223.4.22.13.4.233.4.243.4.253.4.263.4.273.4.283.4.28.13.4.293.4.29.13.4.33.4.303.4.43.4.4.13.4.53.4.63.4.6.13.4.73.4.7.13.4.83.4.93.5.03.5.0-RC13.5.0-RC1.13.5.0-RC23.5.0-RC33.5.0-RC43.5.0-RC53.5.0-RC63.5.0-beta.1
3.7.14

History

History
RecordedChangedSources
aliasesEUVD
first indexedCVE List, GitHub Advisories, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2021-41824 is a high vulnerability (CVSS 8.8) in Craftcms Craft Cms, published September 29, 2021. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.37%, the 72nd percentile. Fixed in craftcms/cms 3.7.14.

References

This page doesn't list everything

Left out here: 84 versions. The JSON record has them.

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