CVE-2023-2817: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

May 26, 2023 (updated November 7, 2023)

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.

References

github.com/craftcms/cms/commit/7655e1009ba6cdbfb230e6bb138b775b69fc7bcb
nvd.nist.gov/vuln/detail/CVE-2023-2817
www.tenable.com/security/research/tra-2023-20,

Code Behaviors & Features

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