🏳️The TYPO3 Project and Community – Open Source CMS

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TYPO3 is a free enterprise-class CMS based on PHP. It combines open source code with reliability and true scalability. This is the official project website.

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### Roadmap for TYPO3 v14

High-Level Objectives and Strategic Goals

[Read more](/article/roadmap-for-typo3-v14-the-high-level-objectives-and-strategic-goals)

### Members, Vote Now

For TYPO3 Association Board and Business Control Committee (BCC)

[Read More](/article/typo3-association-voting-started-and-restarted)

### Circle of Life

Plan, Do, Check, Act, Repeat for TYPO3

[Read More](/article/the-circle-of-life-plan-do-check-act-repeat-for-the-typo3-project)

### Join the General Assembly

8 April 2025 — Online or in Person

[More Info](/article/join-the-typo3-association-general-assembly-2025)

### TYPO3 Developer Days 2025

Call for Papers Now Open

[Read more](https://t3dd.typo3.com/call-for-papers)

### Roadmap for TYPO3 v14

High-Level Objectives and Strategic Goals

[Read more](/article/roadmap-for-typo3-v14-the-high-level-objectives-and-strategic-goals)

### Members, Vote Now

For TYPO3 Association Board and Business Control Committee (BCC)

[Read More](/article/typo3-association-voting-started-and-restarted)

### Circle of Life

Plan, Do, Check, Act, Repeat for TYPO3

[Read More](/article/the-circle-of-life-plan-do-check-act-repeat-for-the-typo3-project)

### Join the General Assembly

8 April 2025 — Online or in Person

[More Info](/article/join-the-typo3-association-general-assembly-2025)

### TYPO3 Developer Days 2025

Call for Papers Now Open

[Read more](https://t3dd.typo3.com/call-for-papers)

### Roadmap for TYPO3 v14

High-Level Objectives and Strategic Goals

[Read more](/article/roadmap-for-typo3-v14-the-high-level-objectives-and-strategic-goals)

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### Members, Vote Now

For TYPO3 Association Board and Business Control Committee (BCC)

### Circle of Life

Plan, Do, Check, Act, Repeat for TYPO3

### Join the General Assembly

8 April 2025 — Online or in Person

### TYPO3 Developer Days 2025

Call for Papers Now Open

### Roadmap for TYPO3 v14

High-Level Objectives and Strategic Goals

[Visit website](https://t3dd.typo3.com/)

[TYPO3 CMS](/cms) is an Open Source [Enterprise Content Management System](/cms) with a large global [community](/community), backed by the more than 1000 members of the [TYPO3 Association](/project/association).

*   **Free, open source software.**

*   **Websites, intranets, and online applications.**

*   **From small sites to multinational corporations.**

*   **Fully featured and reliable, with true scalability.**

[Explore the CMS](/cms)   [Get Involved](/community/contribute)   [Association](/project/association)   [Certification](https://typo3.com/services/certifications)

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*   [Top](#tab-7211-1)

*   [Security](#tab-7211-2)

*   [Community](#tab-7211-3)

*   [Development](#tab-7211-4)

*   [

    20 Mar 2025

    ##### **T3CON Recap - How to Fail Your Agile Transformation Successfully**

    This T3CON24 recap explores why Agile transformations fail and how to fix them. Learn to focus on purpose, vision, and knowledge sharing for real…

    ](https://typo3.com/blog/t3con-recap-how-to-fail-your-agile-transformation-successfully "T3CON Recap - How to Fail Your Agile Transformation Successfully")

*   [

    18 Mar 2025

    ##### **TYPO3 13.4.8 and 12.4.28 maintenance releases published**

    The versions 13.4.8 and 12.4.28 of the TYPO3 Enterprise Content Management System have just been released.

    ](/article/typo3-1348-and-12428-maintenance-releases-published "TYPO3 13.4.8 and 12.4.28 maintenance releases published")

[Show more](/project/news)

*   [

    18 Mar 2025

    ##### **Multiple vulnerabilities in extension “\[clickstorm\] SEO” (cs\_seo)**

    It has been discovered that the extension "\[clickstorm\] SEO" (cs\_seo) is susceptible to Cross-Site Scripting and Insecure Direct Object Reference.

    ](/security/advisory/typo3-ext-sa-2025-003 "Multiple vulnerabilities in extension “[clickstorm] SEO” (cs_seo)")

*   [

    18 Mar 2025

    ##### **Cross-Site Scripting in extension “Additional TCA” (additional\_tca)**

    It has been discovered that the extension “Additional TCA” (additional\_tca) is susceptible to Cross-Site Scripting.

    ](/security/advisory/typo3-ext-sa-2025-002 "Cross-Site Scripting in extension “Additional TCA” (additional_tca)")

[Show more](/help/security-advisories/security)

*   [

    16 Mar 2025

    ##### **Report From the First Regular Code Sprint of the Best Practices Team**

    The first Monday of the month at 11:00 — this is the time to mark in your calendar if you want to help shape best practices for code in TYPO3…

    ](/article/report-from-the-first-regular-code-sprint-of-the-best-practices-team "Report From the First Regular Code Sprint of the Best Practices Team")

*   [

    09 Mar 2025

    ##### **The Circle of Life: Plan, Do, Check, Act, Repeat for the TYPO3 Project**

    How do we organize TYPO3 product development to both innovate, improve, and maintain? The Product Strategy Group introduces the Shewhart/Deming cycle…

    ](/article/the-circle-of-life-plan-do-check-act-repeat-for-the-typo3-project "The Circle of Life: Plan, Do, Check, Act, Repeat for the TYPO3 Project")

[Show more](/project/news/community-1)

*   [

    18 Mar 2025

    ##### **TYPO3 13.4.8 and 12.4.28 maintenance releases published**

    The versions 13.4.8 and 12.4.28 of the TYPO3 Enterprise Content Management System have just been released.

    ](/article/typo3-1348-and-12428-maintenance-releases-published "TYPO3 13.4.8 and 12.4.28 maintenance releases published")

*   [

    18 Mar 2025

    ##### **Multiple vulnerabilities in extension “\[clickstorm\] SEO” (cs\_seo)**

    It has been discovered that the extension "\[clickstorm\] SEO" (cs\_seo) is susceptible to Cross-Site Scripting and Insecure Direct Object Reference.

    ](/article/typo3-ext-sa-2025-003 "Multiple vulnerabilities in extension “[clickstorm] SEO” (cs_seo)")

[Show more](/project/news/development)

*   [Next](#tab-7274-1)

*   [Official](#tab-7274-2)

*   [Community](#tab-7274-3)

*   [External](#tab-7274-4)

*   [

    15 Mar 2025

    ##### **T3BOARD**

    A Casa Infinity  

    Serfaus  

    Austria

    ](/event/20250315-t3board)

*   [

    20 Mar 2025

    ##### **TYPO3 Camp Mitteldeutschland**

    University of Applied Sciences Jena  

    Jena  

    Germany

    ](/event/20250320-typo3-camp-mitteldeutschland)

[Show more](/community/events?tx_sfeventmgt_pieventlist%5BoverwriteDemand%5D%5Bcategory%5D=35%2C37%2C39%2C48%2C36&cHash=e5e7e82560eb00b1433cd151b0478cf3)

*   [

    08 Apr 2025

    ##### **TYPO3 Association General Assembly**

    TYPO3 GmbH  

    DĂĽsseldorf  

    Germany

    ](/event/20250408-typo3-association-general-assembly)

*   [

    03 May 2025

    ##### **TYPO3 Surfcamp**

    Fuerteventura Princess  

    Las Palmas  

    Spain

    ](/event/20250503-typo3-surfcamp)

[Show more](/community/events?tx_sfeventmgt_pieventlist%5BoverwriteDemand%5D%5Bcategory%5D=36&cHash=63e8a2cd62435c3c7e2f42975464c9c0)

*   [

    15 Mar 2025

    ##### **T3BOARD**

    A Casa Infinity  

    Serfaus  

    Austria

    ](/event/20250315-t3board)

*   [

    20 Mar 2025

    ##### **TYPO3 Camp Mitteldeutschland**

    University of Applied Sciences Jena  

    Jena  

    Germany

    ](/event/20250320-typo3-camp-mitteldeutschland)

[Show more](/community/events?tx_sfeventmgt_pieventlist%5BoverwriteDemand%5D%5Bcategory%5D=35%2C38%2C39&cHash=2c864696d72e401e8df340f7d1e5bced)

*   [

    24 Mar 2025

    ##### **

    Meet TYPO3 at 

    DrupalCon Atlanta**

    Hyatt Regency Atlanta  

    Atlanta, Georgia  

    USA

    ](/event/20250324-drupalcon-atlanta)

*   [

    02 Apr 2025

    ##### **

    Meet TYPO3 at 

    Webwinkel Vakdagen**

    Jaarbeurs  

    Utrecht  

    The Netherlands

    ](/event/20250402-webwinkel-vakdagen)

[Show more](/community/events?tx_sfeventmgt_pieventlist%5BoverwriteDemand%5D%5Bcategory%5D=48&cHash=b519abbbf4d49fe066bdbb0a4c22ba87)

TYPO3 Association Platinum Members

----------------------------------

*   [](/?randombanners%5Bbanner%5D=15&cHash=5428629a9ee84e34c621a5401a45d91c)

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*   [](/?randombanners%5Bbanner%5D=48&cHash=ee4ced4260cc87bbac59ea2dd2305622)

[](/community/meet)

#### Join the Community

Developers, editors, designers, marketers, writers, and translators. People and diversity makes TYPO3 great. You will make it even greater.

[Join the Community](/community/meet)

[Meet the Community](/community/meet)

[](https://docs.typo3.org)

#### Learn TYPO3

Get started or extend your knowledge. The official TYPO3 Documentation contains references, guides and tutorials on a multitude of topics.

[Learn More](https://docs.typo3.org)

[](/community/contribute/donate)

#### Support the Project

TYPO3 is free and the result of a great community effort. Give something back: [donate](/community/contribute/donate) or [become a member](/project/association/membership) of the TYPO3 Association.

[Donate Now](/community/contribute/donate)

    [](/project/association/membership)

The TYPO3 Association coordinates and funds the long-term development of the [TYPO3 CMS](/cms) platform. Founded in Switzerland in 2004, it is a not-for-profit organization with around 900 [members](/project/association/members).

### Anyone can [become a member](/project/association/membership) — individuals and businesses alike.

[Join the Association](/project/association/membership)