CVE-2026-56393
1 advisory.
Packagist/craftcms/cms CVE-2026-56393: low
Craft CMS Vulnerable to Stored XSS in Settings Names and Field Options
Action: Upgrade craftcms/cms to 4.17.0-beta.1 or later.
composer require craftcms/cms:5.9.0-beta.1composer require craftcms/cms:4.17.0-beta.1Affected
| introduced | fixed | last affected |
|---|---|---|
| 5.0.0-RC1 | 5.9.0-beta.1 | - |
| 4.0.0-RC1 | 4.17.0-beta.1 | - |
Fixed versions
| 5.9.0-beta.1 | 4.17.0-beta.1 |
Sources
- osv: GHSA-4mgv-366x-qxvx
- https://github.com/craftcms/cms/security/advisories/GHSA-4mgv-366x-qxvx
- https://nvd.nist.gov/vuln/detail/CVE-2026-56393
- https://github.com/craftcms/cms/commit/67780a778c6ec04e68e64a0b1177c168306144a2
- https://github.com/craftcms/cms/commit/943152d2246b36f12adf161a03b8695b773d9276
- https://github.com/craftcms/cms
- https://www.vulncheck.com/advisories/craft-cms-multiple-stored-cross-site-scripting-in-settings-names-and-field-options
CVE-2026-56393 · published · modified · JSON