"Elmo's X account was briefly compromised yesterday by an unknown hacker who posted disgusting messages, including antisemitic and racist posts. The account has since been secured," a spokesperson for Sesame Workshop, the nonprofit educational organization behind Sesame Street, said in a statement to ABC News on Monday.

Sesame Workshop States Elmo's X Account Was Hacked But Now "Secured" originally appeared on Daytime Confidential.

Elmo’s account, which has over 650,000 followers and is known for its uplifting child-friendly posts, was taken over by an “unknown hacker” on Sunday, July 13, Sesame Workshop told NBC News in a statement.