On Monday, May 4, 2020, the Wordfence Threat Intelligence team discovered two vulnerabilities present in Page Builder by SiteOrigin, a WordPress plugin actively installed on over 1,000,000 sites. Both of these flaws allow attackers to forge requests on behalf of a site administrator and execute malicious code in the administrator’s browser. The attacker needs to trick a site administrator into executing an action, like clicking a link or an attachment, for the attack to succeed.

These are considered high-risk security issues that could lead to full site takeover. We recommend an immediate update of Page Builder by SiteOrigin to the latest version available. At the time of writing, that is version 2.10.16.

Both the free and Premium version of the Wordfence firewall protect against these vulnerabilities via the built in cross site scripting (XSS) protection in the Wordfence firewall.

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