Caution required
Suspicious in code review (v2.1.3)
Our reviewer found behaviour consistent with malware in version 2.1.3, but not enough to confirm it. Treat this extension as untrusted until it has been re-reviewed.
What our analysis found
TextCortex: AI Knowledge Base for Enterprises, used by 50,000 people, is rated caution by Extension Auditor. Our code review reported 1 finding (1 high), led by data exfiltration. It comes from a trusted publisher and was last updated in October 2026.
Key findings
- High
Data Exfiltration
This function sends the full conversation messages (including potentially sensitive user-uploaded knowledge base content) to a third-party Cloudflare Worker at [domain withheld] for PDF generation. The domain is not a first-party site ([domain withheld]) and the data transmission occurs without user notification or consent, especially when conversation length exceeds 50 messages or local PDF generation fails. This constitutes potential unauthorized data exfiltration.
Analyst notes
The extension provides legitimate AI knowledge base functionality, but it sends conversation messages to an external PDF generation service at [domain withheld] (a non-first-party domain) without explicit user consent or disclosure, constituting potential data exfiltration. The rest of the code appears safe and aligned with the extension's purpose.
TextCortex: AI Knowledge Base for Enterprises Chrome extension security report
ID: hahkojdegblcccihngmgndhdfheheofe
Supported Languages
Extension Info & Metadata
Publisher Contextual Analysis
- Author
- https://textcortex.com
- Privacy
- Privacy Policy
- Help
- Help Center
- Country
- DE
- MX records exist
- Yes
- Domain exists
- Yes
- Is disposable
- No
- Is role-based
- No
- Mailbox exists
- Yes
- Address
- c/o WeWork Kemperpl. 1 Berlin 10785 DE
- Website
- Visit
Screenshots & videos
Install growth
No Security Analysis Available
Security analysis has not been performed for this extension version yet.
About this extension
Equip your team with AI agents to harness and apply your organization's internal knowledge.
Read the publisher’s full description
Imagine an all-knowing colleague you can integrate right into your workflows and that can tap into your company's comprehensive data and knowledge. TextCortex empowers teams by facilitating seamless and secure knowledge collaboration. Users can create a personalized information center by uploading their essential files and resources directly onto the platform or by integrating their favored external applications and services. This dual capability ensures that all relevant data is accessible and synchronized in one centralized, easy-to-navigate space. TextCortex transforms AI potential into measurable results: teams can automate the creation of customized proposals, design targeted email sequences that nurture prospects and existing customers, craft tailored pitches that speak to the needs and challenges of each prospect. Choose TextCortex to enhance the core communication capabilities of your organization: start tracking value via saved time, fewer errors and faster decisions. TextCortex is an AI companion is designed to understand you and your writing needs: it actively presents options on how to make your content more authentic, and assists you in your creative process, from start to finish. No more writer’s blocks or frustrating hours spent in front of a blank canvas. You can now write documents to express your ideas to colleagues and customers, create compelling emails, and find a way to easily bring the right words to life, while saving up in terms of both time and stress. The three core features in one view: 🚀 ZenoChat - Superior ChatGPT Alternative with Enhanced Web Search Now you have a constant AI companion by your side: Zeno. Open up the sidebar and start chatting with Zeno wherever you are, whenever you need. Enable Search to browse the internet or skim through your uploaded documents. 👩💻 Knowledge Bases: Connect your data to your AI Agent Connect your knowledge and work with AI that truly knows you. You can upload 200-page PDF documents and retrieve information from them in 3 seconds with ZenoChat. ⚙️ Personas: Tailor your AI agent to your business with style & tone customizations Customize your AI experience with Individual Personas. Build your own persona and immerse yourself with a fully personalized AI companion. ✍🏻 Zeno Assistant: The Ultimate AI Writing Assistant With its various features, Zeno Assistant can help to reduce your workload considerably. By pressing Alt/Opt + Enter, you can access its features on 50.000+ websites, including Pages and Google Docs. These features range from content creation to meeting agenda, so you can be sure that no task will be left undone. Zeno Assistant is the perfect tool to help you stay organized and productive all day long, and it comes with TextCortex's browser extension. Zeno Assistant’s features include: • Find Action Items • Create Meeting Agendas • Summarize • Rewrite • Create Press Releases • Create Social Media Posts • Simplify Language • Fix Spelling & Grammar 🔨 Toolbar The Toolbar gives you quick access to some of our most popular features such as rewriting, fix spelling & grammar, expanding, summarizing and text-to-speech. All you need to do is highlight any text in a textbox and the toolbar will appear. TextCortex is a great AI Assistant for: 🖋️ General & Daily Writing - Designed to enhance your written content and spark creativity whenever necessary - Will support the creation of long-form content and provide tons of suggestions to emphasize the human nature of your content like never before - Meant to enhance your daily writing activity and shorten the time spent about both creating from scratch and improving what you have already produced - Includes: paraphrase, simplify, tone changer, summarize, expand, stories, auto complete & more. 📚 Academic Life - Specifically designed for students and whoever is undergoing the academic experience - Will help you save time and lessen the stress resulting from assignments and deadlines. ✉️ Email Writing - Dedicated to make the process of writing emails less of a pain - Will help you keep just about any topic useful & informative while ensuring high open rates. 💰 E-Commerce - These templates will make sure the presentation of your products and services is top-tier in grabbing your possible customers’ attention - Includes: product description, product description v2, product description with features 📑 Blogging - Designed to improve your blogging experience, provide inspiration and help you establish new relationships with other users while nurturing the already existing ones. - Includes: blog ideas, blog intros, blog outlines, paragraph writer, conclusion writer & more. 📹 Youtube & Social Media - Ideal whether you work with them or are planning to start soon, if you want to improve your video & social media game this category if for you - Will upgrade your online presence in the most creative yet appealing way possible. 📊 Ads & Marketing - If you’re tired of having to manage your marketing and ads strategy - If you feel like your creativity just needs a little push. 📈 Business - Useful if you work with marketing or content writing, are an entrepreneur, a manager, an executive of any kind and are interested in business-life specific templates. ✏️ Website Copy - Designed to support your online presence and provide both growth opportunities and a good overall search engine optimization for your website. Make the most out of TextCortex: ✍️ You’re just two clicks away from a world of synonym alternatives ✍️ Express yourself through clear and impactful writing ✍️ Translate your content in 25+ different languages ✍️ Spend less time contemplating your word choice The more you use it, the more TextCortex will learn about your writing style and provide more personalized outputs! In case you have any additional questions, feel free to get in touch. Happy creating!
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