Home SEO All In One SEO WordPress Vulnerability Affects Over 3 Million Sites via @sejournal, @martinibuster All In One SEO WordPress Vulnerability Affects Over 3 Million Sites via @sejournal, @martinibuster Andrew M Jan 16, 2026 comments off Tweet on Twitter Share on Facebook Google+ Pinterest A vulnerability in the popular AIOSEO plugin affecting up to 3 million sites is in addition to the six found in 2025. The post All In One SEO WordPress Vulnerability Affects Over 3 Million Sites appeared first on Search Engine Journal. Automattic Blog software Content management systems Search Engine WordPress