In this context, seditious must mean "causing incitement to public disorder". See below for an example.
Women unveiling their eyes in public in Saudi Arabia will be forced to fully cover up their faces if their eyes are found to be seditious, according to the Gulf Kingdom’s most feared Islamic law-enforcement group.
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“The Commission members have orders to tell any women in public to cover up her face if they find that her eyes are seditious,” the paper said, quoting Sheikh Mutlaq Al Nabit, a Commission spokesman in Hael.
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Nabit did not explain how the Commission members determine that a woman’s eyes are seditious.
