Medium severity6.1NVD Advisory· Published Jun 30, 2021· Updated Jun 17, 2026
CVE-2021-27902
CVE-2021-27902
Description
An issue was discovered in Craft CMS before 3.6.0. In some circumstances, a potential XSS vulnerability existed in connection with front-end forms that accepted user uploads.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected packages
Versions sourced from the GitHub Security Advisory.
| Package | Affected versions | Patched versions |
|---|---|---|
craftcms/cmsPackagist | < 3.6.0 | 3.6.0 |
Affected products
2- Craft CMS/Craft CMSdescription
Patches
Vulnerability mechanics
References
5- github.com/craftcms/cms/commit/8ee85a8f03c143fa2420e7d6f311d95cae3b19cenvdPatchThird Party AdvisoryWEB
- github.com/advisories/GHSA-3jxh-789f-p7m6ghsaADVISORY
- github.com/craftcms/cms/blob/develop/CHANGELOG.mdnvdRelease NotesThird Party AdvisoryWEB
- github.com/craftcms/cms/blob/develop/CHANGELOG.mdnvdRelease NotesThird Party AdvisoryWEB
- nvd.nist.gov/vuln/detail/CVE-2021-27902ghsaADVISORY
News mentions
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