Description
XWiki Platform is a generic wiki platform. Prior to versions 13.10.5 and 14.3, it is possible to perform a Cross-Site Request Forgery (CSRF) attack for adding or removing tags on XWiki pages. The problem has been patched in XWiki 13.10.5 and 14.3. As a workaround, one may locally modify the `documentTags.vm` template in one's filesystem, to apply the changes exposed there.
Remediation
References
https://github.com/xwiki/xwiki-platform/commit/7ca56e40cf79a468cea54d3480b6b403f259f9ae
https://github.com/xwiki/xwiki-platform/security/advisories/GHSA-fxwr-4vq9-9vhj
https://jira.xwiki.org/browse/XWIKI-19550
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