18 Dec

Our Proactive Monitoring Caught a CSRF/Option Update Vulnerability in a WordPress Plugin That Could Disable Websites

One of the ways we help to improve the security of WordPress plugins, not just for our customers, but for everyone using them, is theĀ proactive monitoring of changes made to plugins in the Plugin Directory to try to catch serious vulnerabilities. Through that we caught a vulnerability a plugin with 10,000 installs (according to wordpress.org), Ultimate CSV Importer, that could allow an attacker to cause someone logged in as Administrator to fully disable the website just by getting them to access a page the attacker control’s (say with a link in a comment). With non-default settings the vulnerability could be exploited users with the Author or Editor role, or by getting them to access a page controlled by an attacker.

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