A registered user can perform remote code execution leading to privilege escalation by injecting the proper code in the "property" field of an attachment selector, as a gadget of their own dashboard. Note that the vulnerability does not impact comments of a wiki.
The vulnerability has been patched in XWiki 13.10.11, 14.4.8, 14.10.2, 15.0-rc-1.
The problem can be worked around by applying following changes directly in XWiki.AttachmentSelector page: https://github.com/xwiki/xwiki-platform/commit/5e8725b4272cd3e5be09d3ca84273be2da6869c1.
If you have any questions or comments about this advisory: * Open an issue in Jira XWiki.org * Email us at Security Mailing List
{ "nvd_published_at": "2023-04-19T00:15:08Z", "cwe_ids": [ "CWE-74" ], "severity": "HIGH", "github_reviewed": true, "github_reviewed_at": "2023-04-20T22:04:49Z" }