Activist investor Barington Capital Group is pushing Victoria's Secret to alter its board and end a recently adopted "poison pill" plan, according to a letter to the lingerie maker's shareholders on Monday.

Victoria's Secret is facing pressure from Barington Capital Group to replace its board of directors and rescind its shareholder rights plan.

Barington Capital urged Victoria's Secret to replace its board with directors experienced in brand revitalization, criticizing CEO Hillary Super's leadership strategy.