A critical privilege-escalation vulnerability could lead to backdoors for admin access nesting in web servers.
A popular WordPress SEO-optimization plugin, called All in One SEO, has a pair of security vulnerabilities that, when combined into an exploit chain, could leave website owners open to site takeover. The plugin is used by more than 3 million websites.
An attacker with an account with the site – such as a subscriber, shopping account holder or member – can take advantage of the holes, which are a privilege-escalation bug and an SQL-injection problem, according to researchers at Sucuri.
Read more: Threatpost
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