CVE-2026-52766 YesWiki: Unauthenticated arbitrary page deletion via `{{erasespamedcomments}}` action

YesWiki is a wiki system written in PHP. Prior to version 4.6.6, the erasespamedcomments wiki action actions/EraseSpamedCommentsAction.php accepts a suppr array from POST and deletes every wiki page whose tag appears in that array, with no authorization check anywhere in the action body or in the...