Protected pages are listed when requesting the REST endpoints /rest/wikis/[wikiName]/pages even if the user doesn't have view rights on them. It's particularly true if the entire wiki is protected with "Prevent unregistered user to view pages": the endpoint would still list the pages of the wiki (actually it only impacts the main wiki due to XWIKI-22639).
The REST API exposes the history of any page in XWiki of which the attacker knows the name. The exposed information includes for each modification of the page the time of the modification, the version number, the author of the modification (both username and displayed name) and the version comment. This information is exposed regardless of the rights setup, and even when the wiki is configured to be fully private. …
XWiki Platform is a generic wiki platform offering runtime services for applications built on top of it. The REST API allows executing all actions via POST requests and accepts text/plain, multipart/form-data or application/www-form-urlencoded as content types which can be sent via regular HTML forms, thus allowing cross-site request forgery. With the interaction of a user with programming rights, this allows remote code execution through script macros and thus impacts the …
XWiki Platform is a generic wiki platform. Starting in version 7.3-milestone-1 and prior to versions 14.4.8, 14.10.6, and 15.1, ny user can call a REST endpoint and obtain the obfuscated passwords, even when the mail obfuscation is activated. The issue has been patched in XWiki 14.4.8, 14.10.6, and 15.1. There is no known workaround.
XWiki Platform is a generic wiki platform offering runtime services for applications built on top of it. The modifications rest endpoint does not filter out entries according to the user's rights. Therefore, information hidden from unauthorized users are exposed though the modifications rest endpoint (comments and page names etc). Users should upgrade to XWiki 14.6+, 14.4.3+, or 13.10.8+. Older versions have not been patched. There are no known workarounds.