{"id":"CVE-2026-111960","kind":"vulnerability","aliases":["CVE-2026-111960"],"related":[],"title":"Royal MCP WordPress plugin: search tool leaks non-public post content to subscribers","description":"The Royal MCP  WordPress plugin before 1.5.10 does not perform object-level or post-type authorisation checks in one of its search tools, allowing authenticated users such as a subscriber to disclose the title and content of non-public entries, including personal data stored by a companion Royal MCP  WordPress plugin before 1.5.10.","summary":"The Royal MCP WordPress plugin before 1.5.10 has a search tool that skips object-level and post-type authorisation checks. An authenticated user with a low-privilege role such as subscriber can read the title and content of non-public entries, including personal data.","severity":"unknown","cvss":null,"epss":null,"exploited":false,"exploited_at":null,"products":[],"ecosystems":[],"tags":["mcp","package","self-hosted","wordpress","wordpress-plugin"],"not_affected_if":["no-logged-in-users","plugin-at-1.5.10-or-later"],"how_to_check":"- Check the installed Royal MCP plugin version in the WordPress admin Plugins screen or with `wp plugin get royal-mcp --field=version` (unknown whether that slug is exact)\n- Confirm whether any subscriber-level accounts can reach the plugin's MCP search tool","fix":"- Update the Royal MCP WordPress plugin to `1.5.10` or later\n- Review who holds accounts on the site and remove unneeded subscriber accounts until the update is applied","status":"open","published_at":"2026-10-28T06:16:34+00:00","first_seen_at":"2026-10-28T06:31:27+00:00","triaged_at":"2026-10-28T06:32:34+00:00","updated_at":"2026-10-28T06:32:34+00:00","category":"package","confidence":0.6,"triage":{"at":"2026-10-28T06:32:34Z","model":"claude-haiku-5-5","output":{"fix":"- Update the Royal MCP WordPress plugin to `1.5.10` or later\n- Review who holds accounts on the site and remove unneeded subscriber accounts until the update is applied","reach":"internet","title":"Royal MCP WordPress plugin: search tool leaks non-public post content to subscribers","impact":"medium","summary":"The Royal MCP WordPress plugin before 1.5.10 has a search tool that skips object-level and post-type authorisation checks. An authenticated user with a low-privilege role such as subscriber can read the title and content of non-public entries, including personal data.","category":"package","nicknames":[],"who_cares":["wordpress","wordpress-plugin","mcp","self-hosted"],"confidence":0.6,"needs_auth":"yes","worst_case":"Authenticated low-privilege users read private post content and personal data","analyst_note":"Confirm the exact plugin slug and whether the vulnerable search tool is exposed by default; check the NVD entry for CVSS and any advisory with exact affected version range.","how_to_check":"- Check the installed Royal MCP plugin version in the WordPress admin Plugins screen or with `wp plugin get royal-mcp --field=version` (unknown whether that slug is exact)\n- Confirm whether any subscriber-level accounts can reach the plugin's MCP search tool","needs_analyst":true,"not_affected_if":["plugin-at-1.5.10-or-later","no-logged-in-users"],"who_is_affected":"Sites running the Royal MCP WordPress plugin before 1.5.10 where logged-in users, including subscribers, can reach its search tool. Sites without the plugin, or with it already at 1.5.10 or later, are not affected.","user_interaction":"no","needs_special_setup":"unknown","severity_if_unknown":"unknown"},"cost_usd":0.000647,"input_tokens":3324,"output_tokens":629,"severity_before":"unknown"},"analyst_status":null,"analyst_note":null,"search":"'-111960':17A,20A '-2026':16A,19A '1.5.10':36B,84C,133C 'allow':103C 'authent':53B,104C 'authoris':50B,95C 'check':51B,96C 'companion':127C 'content':12A,69B,115C 'cve':15A,18A 'data':77B,123C 'disclos':111C 'entri':74B,120C 'host':25B 'includ':75B,121C 'leak':7A 'level':45B,90C 'low':58B 'low-privileg':57B 'mcp':2A,21B,32B,80C,129C 'non':9A,72B,118C 'non-publ':8A,71B,117C 'object':44B,89C 'object-level':43B,88C 'one':98C 'packag':22B 'perform':87C 'person':76B,122C 'plugin':4A,29B,34B,82C,131C 'post':11A,48B,93C 'post-typ':47B,92C 'privileg':59B 'public':10A,73B,119C 'read':65B 'role':60B 'royal':1A,31B,79C,128C 'search':5A,39B,101C 'self':24B 'self-host':23B 'skip':42B 'store':124C 'subscrib':14A,63B,109C 'titl':67B,113C 'tool':6A,40B,102C 'type':49B,94C 'user':54B,105C 'wordpress':3A,26B,28B,33B,81C,130C 'wordpress-plugin':27B","nicknames":[],"mitigations":[],"who_affected":"Sites running the Royal MCP WordPress plugin before 1.5.10 where logged-in users, including subscribers, can reach its search tool. Sites without the plugin, or with it already at 1.5.10 or later, are not affected.","tier":"C","verified":{},"analyst_revisit_at":null,"first_public_at":"2026-10-28T06:16:34+00:00","kev":null,"cvss_vector":null,"cvss_by":null,"poc_count":0,"sources":[{"source":"nvd","external_id":"CVE-2026-111960","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-111960","severity":null,"published_at":"2026-10-28T06:16:34+00:00","modified_at":"2026-10-28T06:16:34+00:00","first_seen_at":"2026-10-28T06:31:27+00:00","fetched_at":"2026-10-28T06:31:27+00:00","note":null}],"documents":[],"notice":"Free to read at a human pace. An API with keys and an MCP server are in preparation; early access: hello@infrastack.ai"}