Nelio Content – Editorial Calendar & Social Media Auto-Posting
Nelio Content – Editorial Calendar & Social Media Auto-Posting has 6 disclosed vulnerabilities in the WordSec catalog, reported between 2024 and 2026; all 6 are fixed as of October 2026. Their average CVSS score is 6.0, and the most serious one scores 8.1 out of 10. Severity breakdown: 0 critical and 1 high. 2026 was the busiest year with 4 disclosures.
The most common weakness is Missing Authorization, behind 3 of the records (50%). Other recurring categories include Server-Side Request Forgery (SSRF), SQL Injection.
Every one of the 6 issues recorded for Nelio Content – Editorial Calendar & Social Media Auto-Posting has a vendor fix available, so running the current release closes all known holes.
6 independent researchers contributed these findings, one record each. Nelio Content – Editorial Calendar & Social Media Auto-Posting is installed on roughly 3,000 WordPress sites, so each unpatched flaw has a wide blast radius. The current release is tested up to WordPress 7.1.3.
CVE-2026-94505Nelio Content <= 4.5.0 - Missing Authorization to Authenticated (Contributor+) Arbitrary Reusable Message Deletion via 'id' Parameter
Read the full analysisVulnerability Records

Nelio Content – Editorial Calendar & Social Media Auto-Posting
Author
Nelio Software
Plan your WordPress content and automate social media sharing from one editorial calendar. Nelio Content combines a WordPress editorial calendar, social media scheduling and auto-posting, and content workflow tools. Plan and schedule blog posts, share content to Facebook Pages, LinkedIn, Instagram, Pinterest, Threads, Bluesky, and other supported networks, and keep editorial work organized without switching between separate tools. Whether you publish your own blog or coordinate a multi-author WordPress site, Nelio Content helps you manage the process from draft to publication and promotion. Why use Nelio Content? Plan WordPress posts visually. Drag and drop posts in the editorial calendar, track unscheduled ideas, and organize your publishing schedule. Schedule and auto-post to social media. Prepare messages for connected profiles, share when a post is published, and schedule additional promotion. Keep posts and social messages in sync. Adjust your content schedule without manually rebuilding every related social message. Improve your editorial workflow. Use content checklists and, with Premium, editorial tasks, comments, a content board, and other collaboration features. Review content performance. Bring supported Google Analytics and social engagement metrics into your WordPress workflow. Built for bloggers, WordPress publishers, marketing teams, and agencies who want to manage editorial planning and social distribution in one place. Helpful Links Do you need help getting started? HELP DOCUMENTATION Do you have a support request? SUPPORT FORUM What do our users say about us? REVIEWS Are you interested in the premium version? ABOUT NELIO CONTENT PREMIUM Use of Nelio Content’s service Nelio Content connects your WordPress site with Nelio Software’s external service to provide social media scheduling and auto-posting, social profile connections, social automations, analytics-related integrations, and account or subscription management. The service handles communication with the supported social networks and other integrations so your scheduled messages can be published at the right time. Some editorial features, such as the calendar and post planning tools, run inside WordPress. Service-backed features require connecting your site to Nelio Content and may send the information needed to provide those features to Nelio Software and the third-party services you choose to connect. Please review the Nelio Content Terms and Conditions and Privacy Policy for details. Supported Social Networks and Integrations X (formerly Twitter) – Post to your X account (requires the applicable X posting quota; see the plan and quota details) Facebook – Post to your Facebook pages LinkedIn – Post to your profile or company page Instagram – Post to your Business Account Mastodon – Post to your Mastodon account Medium – Post to your profile or publication with canonical backlinks to your original content Tumblr – Post to your blog with canonical-backlinks to your original post Telegram – Post to your Telegram groups and Telegram channels Bluesky – Post to your Bluesky account Google Business Profile – Post to your business location Blogger – Post to your blog with backlinks to your original post Pinterest – Post to all your different Pinboards Reddit – Post to your subreddits Threads – Post to your Threads account TikTok – Share your videos on TikTok Discord – Post to your Discord channels Slack – Post to your Slack channels Band – Post to your bands VK – Post to your profile or community wall. OK.ru – Post to your profile or group. LINE – Post to your groups. Plurk – Post to your profile. Webhooks – Send requests to external servers and integrations. Buffer – Share your content to your connected Buffer profiles Hootsuite – Share your content to your connected Hootsuite profiles Connect supported social networks directly through Nelio Content or use integrations such as Buffer and Hootsuite. Available publication formats and account requirements vary by network. Start with Nelio Content Free to organize your WordPress editorial calendar and share posts to supported social networks, subject to the free plan’s profile and automation limits. Choose Nelio Content Premium when you need more social profiles, advanced social automation, and collaboration tools. What You Can Do with Nelio Content Explore the editorial planning, social scheduling, and content promotion tools included in Nelio Content. NELIO CONTENT FREE The Editorial Calendar provides a bird’s-eye view of all your content, including posts, custom post types, social messages, and tasks: View your upcoming work by week, month, or agenda. Create, schedule, and edit posts with categories, tags, and references within the calendar. Draft unscheduled posts as ideas. Automatically adjust social messages when a post is rescheduled. Integrate iCal events, MailPoet newsletters, and events from The Events Calendar. Filter content by author and status. Filter social messages by profile, creation method, and publication issues. Define and manage custom statuses that match your unique editorial workflow. View the RSS feeds of your favorite blogs directly in your WordPress so you can generate new content from them: View RSS feeds directly in WordPress for inspiration. Schedule ideas by dragging and dropping them into the calendar. Create new draft posts using feed content as references. Suggest helpful links to authors as references. The Content Assistant provides a writing checklist and tools to prepare WordPress posts and their social promotion: Use external image URLs for featured images. Check post quality as you write it. Ensure posts include images, tags, links, and excerpts. Plan and customize social messages while writing. Highlight content for automatic social messages. Add custom URL parameters for tracking in Google Analytics. Use Social Automations to promote your content effectively across multiple social networks: Automatically create social message timelines. Use highlighted sentences, templates, and excerpts for automatically created messages. Customize social templates with #hashtags, @handles, emojis, and much more. Share on all social networks, including X (formerly Twitter), Facebook, LinkedIn, Instagram, Mastodon, Telegram, Pinterest, Reddit or Threads, to name a few. Use popular link shortener services: Bitly, TinyURL, Rebrandly, YOURLS, Shlink, Short.io, T.ly, and Polr. Bring supported content and social metrics into WordPress to review performance and decide what to promote again: View key statistics on your WordPress dashboard. Track pageviews from Google Analytics. Measure audience engagement through likes, shares, and comments. Monitor planned social messages for each post. Re-promote top-performing content with one click. Customize permalinks on social media by adding query parameters. All these features are included in Nelio Content Free. Upgrade to Premium for advanced capabilities. NELIO CONTENT PREMIUM Designed for teams, Nelio Content Premium provides each user with tailored tools for their role: Connect up to 15 social profiles. Discuss posts with editorial comments. Visualize your editorial pipeline with a content board that organizes posts by their status. Duplicate posts with just one click. Rewrite or update a published post without taking it offline, using a copy of its content. Monitor and track team activities with editorial tasks. Receive email notifications for status changes and comments. Create reusable task presets for posts. Add editorial comments and references in the calendar. Group your posts into multiple collections or series. Set custom tags on social messages for Medium. Automatically display series information on posts that are a part of a series. Schedule automatic changes to your posts, pages, and other content types. Create social messages for multiple networks simultaneously within the calendar. Re-share old posts in social media with ease. Automatically reschedule tasks when a post is rescheduled. Export the calendar in CSV format, Google Calendar or iCal format. Advanced tools for automatic content promotion: Create reusable social messages that can be easily placed on any desired day in the calendar. Automatically generate timelines to promote posts after publication. Reshare automatically top old content on social networks. Create multiple social automation templates with #hashtags, @handles, and emojis. Select different versions of the same image to share in each social network, each with a different size. Customize publication and resharing frequency. Configure multiple automation group settings for content-sharing. Unlike generic social tools, Nelio Content connects your editorial calendar and social media automation directly to your WordPress posts. Manage the steps from planning and writing to publishing and re-sharing your WordPress content in one workflow. Reviews and Real-World Examples Read third-party reviews and an example of how publishers use Nelio Content: A Nelio Content Review (digisavvy.com) Nelio Content Automates and Assists with Content Creation and Social Marketing (wpmayor.com) Nelio Content’s Social Automations Tools – Saving Resources & Time in Content Marketing (thedevcouple.com) Editorial OnMedia and Nelio Content – Case Study (neliosoftware.com) Nelio Content: improve your WordPress to the next level (silocreativo.com in Spanish)
Vulnerability data © Defiant, Inc., provided under the Wordfence Intelligence T&C