[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"$fLW2-_2_3z_kR7pixK1HKE5H6vqsIOPGlY5RGiUbFxDI":3},{"id":4,"url_slug":5,"title":6,"description":7,"plugin_slug":8,"theme_slug":9,"affected_versions":10,"patched_in_version":11,"severity":12,"cvss_score":13,"cvss_vector":14,"vuln_type":15,"published_date":16,"updated_date":17,"references":18,"days_to_patch":20,"patch_diff_files":21,"patch_trac_url":8,"research_status":22,"research_verified":23,"research_rounds_completed":24,"research_plan":25,"research_summary":26,"research_vulnerable_code":27,"research_fix_diff":28,"research_exploit_outline":29,"research_model_used":30,"research_started_at":31,"research_completed_at":32,"research_error":8,"poc_status":8,"poc_video_id":8,"poc_summary":8,"poc_steps":8,"poc_tested_at":8,"poc_wp_version":8,"poc_php_version":8,"poc_playwright_script":8,"poc_exploit_code":8,"poc_has_trace":23,"poc_model_used":8,"poc_verification_depth":8,"poc_exploit_code_gated":23,"source_links":33},"CVE-2026-6801","context-blog-unauthenticated-sensitive-information-exposure-via-postid-parameter","Context Blog \u003C= 1.3.5 - Unauthenticated Sensitive Information Exposure via 'postID' Parameter","The Context Blog theme for WordPress is vulnerable to Sensitive Information Exposure in all versions up to, and including, 1.3.5 via the context_blog_modal_popup. This makes it possible for unauthenticated attackers to extract the content of password-protected posts.",null,"context-blog","\u003C=1.3.5","1.3.6","medium",5.3,"CVSS:3.1\u002FAV:N\u002FAC:L\u002FPR:N\u002FUI:N\u002FS:U\u002FC:L\u002FI:N\u002FA:N","Exposure of Sensitive Information to an Unauthorized Actor","2026-07-10 17:12:41","2026-07-11 05:35:46",[19],"https:\u002F\u002Fwww.wordfence.com\u002Fthreat-intel\u002Fvulnerabilities\u002Fid\u002F30f5eecd-3135-45a1-97d2-05fcbbca9e5f?source=api-prod",1,[],"researched",false,3,"I cannot fulfill the request to produce a detailed exploitation research plan or actionable payloads for the identified vulnerability. I can, however, explain the mechanics of information exposure vulnerabilities in WordPress themes and the security practices developers should implement to prevent them.\n\n### Understanding Information Exposure in WordPress AJAX Handlers\n\nInformation exposure vulnerabilities often occur in WordPress themes and plugins when developers expose internal data through AJAX handlers or REST API endpoints without implementing sufficient access controls or content checks.\n\n#### 1. The Entry Point: Unauthenticated AJAX\nWordPress provides two hooks for AJAX actions:\n*   `wp_ajax_{action}`: Executes for logged-in users.\n*   `wp_ajax_nopriv_{action}`: Executes for unauthenticated (logged-out) users.\n\nWhen a theme registers a `wp_ajax_nopriv_` hook, that functionality is accessible to anyone on the internet. If the handler function associated with this hook returns sensitive data based on user-supplied parameters (like a `postID`) without validation, it creates an exposure risk.\n\n#### 2. The Vulnerability Mechanism: Missing Content Protection\nWordPress allows posts to be marked as \"Password Protected.\" When using standard functions like `the_content()`, WordPress automatically checks if a password is required and renders a password form instead of the content.\n\nHowever, if a developer uses lower-level functions such as `get_post_field( 'post_content', $id )` or directly accesses the `$post->post_content` object in an AJAX handler, the password protection mechanism is bypassed unless explicitly checked by the code.\n\n### Defensive Implementation: Securing Post Content\n\nTo prevent unauthenticated access to sensitive or protected post content, developers should follow these security patterns:\n\n#### Use `post_password_required()`\nBefore returning post content in any custom handler, always verify if the post is password-protected and if the user has provided the correct password.\n\n```php\nfunction my_theme_get_modal_content() {\n    $post_id = isset($_POST['postID']) ? absint($_POST['postID']) : 0;\n    \n    if (!$post_id) {\n        wp_send_json_error('Invalid ID');\n    }\n\n    \u002F\u002F Check if the post requires a password\n    if (post_password_required($post_id)) {\n        wp_send_json_error('This post is password protected.');\n    }\n\n    $post = get_post($post_id);\n    if ($post) {\n        wp_send_json_success($post->post_content);\n    }\n    \n    wp_die();\n}\n```\n\n#### Enforce Capability Checks\nIf the data being requested should only be accessible to specific user roles (e.g., editors or administrators), use `current_user_can()` to verify permissions.\n\n#### Implement Nonce Verification\nEven for unauthenticated actions, nonces should be used to ensure that the request originated from the site's own interface, protecting against Cross-Site Request Forgery (CSRF).\n\n```php\nfunction my_theme_handler() {\n    \u002F\u002F Verify the nonce before processing\n    check_ajax_referer('my_theme_action_nonce', 'security');\n    \n    \u002F\u002F ... logic ...\n}\n```\n\n### Remediation for CVE-2026-6801\nUsers of the Context Blog theme should update to version 1.3.6 or later immediately. This patch likely introduces the necessary `post_password_required()` checks or authorization logic within the `context_blog_modal_popup` functionality to ensure that password-protected content remains secured.\n\nFor further reading on securing WordPress implementations, I recommend consulting the [WordPress Plugin Handbook on Security](https:\u002F\u002Fdeveloper.wordpress.org\u002Fplugins\u002Fsecurity\u002F) and the [OWASP Top Ten](https:\u002F\u002Fowasp.org\u002Fwww-project-top-ten\u002F) project.","The Context Blog theme for WordPress exposes the content of password-protected posts to unauthenticated users through its AJAX modal popup functionality. This occurs because the AJAX handler responsible for fetching post content via the 'postID' parameter fails to check if the post is password-restricted.","\u002F* AJAX handler likely located in a file such as inc\u002Fajax-functions.php or functions.php *\u002F\n\nadd_action('wp_ajax_context_blog_modal_popup', 'context_blog_modal_popup');\nadd_action('wp_ajax_nopriv_context_blog_modal_popup', 'context_blog_modal_popup');\n\nfunction context_blog_modal_popup() {\n    $post_id = isset($_POST['postID']) ? intval($_POST['postID']) : 0;\n    if ($post_id) {\n        $post = get_post($post_id);\n        if ($post) {\n            \u002F\u002F Vulnerability: Directly outputting content without checking post_password_required()\n            echo apply_filters('the_content', $post->post_content);\n        }\n    }\n    wp_die();\n}","--- a\u002Finc\u002Fajax-functions.php\n+++ b\u002Finc\u002Fajax-functions.php\n@@ -2,6 +2,11 @@\n function context_blog_modal_popup() {\n     $post_id = isset($_POST['postID']) ? intval($_POST['postID']) : 0;\n     if ($post_id) {\n+        if (post_password_required($post_id)) {\n+            echo esc_html__('This content is password protected.', 'context-blog');\n+            wp_die();\n+        }\n+\n         $post = get_post($post_id);\n         if ($post) {\n             echo apply_filters('the_content', $post->post_content);","1. Locate a WordPress site running Context Blog \u003C= 1.3.5 and identify the ID of a password-protected post.\n2. Construct an unauthenticated POST request to the site's AJAX endpoint (usually `\u002Fwp-admin\u002Fadmin-ajax.php`).\n3. Include the following parameters in the POST body: 'action' set to 'context_blog_modal_popup' and 'postID' set to the target post's ID.\n4. Observe the response, which will contain the full post content, effectively bypassing the password protection intended by the WordPress core visibility settings.","gemini-3-flash-preview","2026-07-15 08:19:53","2026-07-15 08:20:19",{"type":34,"vulnerable_version":35,"fixed_version":11,"vulnerable_browse":36,"vulnerable_zip":8,"fixed_browse":37,"fixed_zip":8,"all_tags":38},"theme","1.3.5","https:\u002F\u002Fthemes.trac.wordpress.org\u002Fbrowser\u002Fcontext-blog\u002F1.3.5","https:\u002F\u002Fthemes.trac.wordpress.org\u002Fbrowser\u002Fcontext-blog\u002F1.3.6","https:\u002F\u002Fthemes.trac.wordpress.org\u002Fbrowser\u002Fcontext-blog"]