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Exhibit 15.3

CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM

We hereby consent to the incorporation by reference in the Registration Statements on Form S-8 (Nos. 333-271461, 333-228525, and 333-199022) and on Form F-3 (No. 333-275785) of Weibo Corporation of our report dated April 23, 2026 relating to the financial statements and the effectiveness of internal control over financial reporting, which appears in this Form 20-F.

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