craftcms/cms · Security
CSV Injection Vulnerability
- GHSA ID
- GHSA-h7vq-5qgw-jwwq
- CVE ID
- CVE-2021-41824
- Severity
- high
- Published
- Updated
- CVSS
- 8.8 · CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
- CVSS v3
- 8.8 · CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Description
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
- https://github.com/craftcms/cms/blob/develop/CHANGELOG.md#3714---2021-09-28
- https://twitter.com/craftcmsupdates/status/1442928690145366018
For more information
If you have any questions or comments about this advisory, email us at [email protected]
Credits: BAE Systems AI Vulnerability Research Team – Azrul Ikhwan Zulkifli
CWEs
- CWE-1236 · Improper Neutralization of Formula Elements in a CSV File
References
- https://github.com/craftcms/cms/security/advisories/GHSA-h7vq-5qgw-jwwq ↗
- https://github.com/craftcms/cms/commit/c9cb2225f1b908fb1e8401d401219228634b26b2 ↗
- https://github.com/craftcms/cms/blob/develop/CHANGELOG.md#3714---2021-09-28 ↗
- https://twitter.com/craftcmsupdates/status/1442928690145366018 ↗
- https://nvd.nist.gov/vuln/detail/CVE-2021-41824 ↗
- https://github.com/advisories/GHSA-h7vq-5qgw-jwwq ↗