CVE-2023-52083: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

December 28, 2023

Winter is a free, open-source content management system. Prior to 1.2.4, users with the media.manage_media permission can upload files to the Media Manager and rename them after uploading. Previously, media manager files were only sanitized on upload, not on renaming, which could have allowed a stored XSS attack. This issue has been patched in v1.2.4.

References

github.com/advisories/GHSA-4wvw-75qh-fqjp
github.com/wintercms/winter/commit/2969daeea8dee64d292dbaa3778ea251e2a7e491
github.com/wintercms/winter/security/advisories/GHSA-4wvw-75qh-fqjp

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