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AIOS WordPress Plugin: Over 1M Plaintext Passwords Logged

By Ahmed Khanji Updated 15 October 2025 2 min read

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AIOS WordPress Plugin: Over 1M Plaintext Passwords Logged

The WordPress plugin All-In-One Security (AIOS), with over 1 million users, played a crucial role in keeping our favourite online spaces running smoothly. However, AIOSEO was recently identified as a potential security risk, as it logged and exposed plaintext passwords. 

AIOS storing plaintext passwords of over 1 million users

Storing Plaintext Passwords 

The vulnerability in the AIOS plugin highlights a wider concern in the digital world. Storing passwords in plaintext means that they are saved in readable, unencrypted format. If threat actors gain access to these storage systems, they can read and misuse the passwords directly, without the need for decryption. 

AIOS’s Response 

The developers sprang into action upon discovering this issue. They found the root cause, developed a solution, and issued a much-needed update. Website owners using this plugin should update to the secure version as soon as possible. 

Plotting a Safe Course 

Given the current cyber landscape, not only website owners, but also individuals, need to proactively manage their digital security. There is always a chance that your password could be stored in plaintext, due to vulnerabilities beyond your control. So, what can you do? 

  • First, use unique and complex passwords for each service you use. 

  • Secondly, employ two-factor authentication whenever it’s available. 

  • Thirdly, regularly update and patch your devices and applications. 

These steps form the first line of defence in securing your data from possible breaches. For a deeper dive into personal and professional cyber security practices, refer to our comprehensive Cyber Security Guide. Each one of us can contribute to a safer digital environment by taking these steps to heart. 

The digital landscape may be fraught with challenges, but incidents like these provide an opportunity to learn and adapt. It’s our shared journey towards a more secure future.

Ahmed Khanji

Ahmed Khanji

CEO, Gridware

Ahmed Khanji is the CEO of Gridware, a leading cybersecurity consultancy based in Sydney, Australia. He is recognised for his insights into offensive security and emerging technologies such as blockchain, and often contributes to broader cybersecurity conversations across the country. With an extensive background as a security advisor to major Australian enterprises, Ahmed helps organisations navigate the evolving threat landscape with clarity and confidence.