CVE-2023-2817: XSS
First published: Fri May 26 2023(Updated: )
A post-authentication stored cross-site scripting vulnerability exists in Craft CMS versions <= 4.4.11. HTML, including script tags can be injected into field names which, when the field is added to a category or section, will trigger when users visit the Categories or Entries pages respectively.
Credit: vulnreport@tenable.com vulnreport@tenable.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Craftcms Craft Cms | <=4.4.11 | |
| composer/craftcms/cms | >=4.0.0-RC1<4.4.12 | 4.4.12 |
| composer/craftcms/cms | <4.4.12 | 4.4.12 |
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Reference Links
- https://github.com/craftcms/cms/commit/7655e1009ba6cdbfb230e6bb138b775b69fc7bcb
- https://www.tenable.com/security/research/tra-2023-20,
- https://nvd.nist.gov/vuln/detail/CVE-2023-2817
- https://www.tenable.com/security/research/tra-2023-20
- https://github.com/advisories/GHSA-7x94-jx75-3gh6 (Advisory)
- https://www.tenable.com/security/research/tra-2023-20%2C
Frequently Asked Questions
What is CVE-2023-2817?
CVE-2023-2817 is a post-authentication stored cross-site scripting vulnerability in Craft CMS versions <= 4.4.11.
What is the severity of CVE-2023-2817?
CVE-2023-2817 has a severity score of 5.4, which is considered medium.
How does CVE-2023-2817 work?
CVE-2023-2817 allows HTML, including script tags, to be injected into field names in categories or entries, triggering the XSS vulnerability when users visit the corresponding pages.
What software versions are affected by CVE-2023-2817?
Craft CMS versions up to and including 4.4.11 are affected by CVE-2023-2817.
How can I mitigate the CVE-2023-2817 vulnerability?
To mitigate the CVE-2023-2817 vulnerability, update Craft CMS to version 4.4.12 or higher, as this version includes the necessary fix.
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