CVE-2021-27902: XSS
First published: Wed Jun 30 2021(Updated: )
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.
Credit: cve@mitre.org cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| composer/craftcms/cms | <3.6.0 | 3.6.0 |
| Craftcms Craft Cms | <3.6.0 |
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Reference Links
- https://nvd.nist.gov/vuln/detail/CVE-2021-27902
- https://github.com/craftcms/cms/commit/8ee85a8f03c143fa2420e7d6f311d95cae3b19ce
- https://github.com/craftcms/cms/blob/develop/CHANGELOG.md#360---2021-01-26
- https://github.com/craftcms/cms/blob/develop/CHANGELOG.md#security-1
- https://github.com/advisories/GHSA-3jxh-789f-p7m6 (Advisory)
Frequently Asked Questions
What is the vulnerability ID for this issue?
The vulnerability ID for this issue is CVE-2021-27902.
What is the severity of CVE-2021-27902?
The severity of CVE-2021-27902 is medium with a CVSS score of 6.1.
What is the affected software version of CVE-2021-27902?
The affected software version of CVE-2021-27902 is Craft CMS before version 3.6.0.
What is the vulnerability type of CVE-2021-27902?
CVE-2021-27902 is a cross-site scripting (XSS) vulnerability.
How do I fix CVE-2021-27902?
To fix CVE-2021-27902, upgrade to Craft CMS version 3.6.0 or later.
- collector/github-advisory-latest
- alias/GHSA-3jxh-789f-p7m6
- alias/CVE-2021-27902
- collector/github-advisory
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- agent/author
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- collector/mitre-cve
- source/MITRE
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- vendor/craftcms
- canonical/craftcms craft cms