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Input validation vulnerability in All-In-One Security (AIOS) – Security and Firewall 5.2.6

  • Severity: medium-risk
  • Status: Fixed
  • Publication: February 8, 2024

The popular WordPress plugin called “All-In-One Security” has a security issue that could allow hackers to block certain IP addresses on a website. This vulnerability exists in all versions up to 5.2.6 and is caused by a problem with how the plugin checks for a special code called a “nonce”. This means that if a hacker can convince the website administrator to click on a link, they can use a fake request to block IP addresses that resulted in a 404 error.

Detected in:

All-In-One Security (AIOS) – Security and Firewall fixed vulnerable versions: >= * <= 5.2.6

This information is sourced from www.wpvulnerability.com. An open-source database of vulnerabilities maintained by the community. Help us out by submitting vulnerabilities!

Version compare shows which versions have a vulnerability. For example: >= 2.2.8 <= 2.2.21 means:

> from 2.2.8
= including 2.2.8 & 2.2.21
< to 2.2.21

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