Attackers are able to use a security hole in WordPress multi-user version 1.0 and earlier versions to add malicious code to websites. This code can be used to access sensitive information and can be inserted through the Username field using the weblog_id parameter.
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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