← Back to feedVulnerabilities & PatchesEmerging1 sourceSep 1, 2026 · 04:27via CVE Programcve-2026-13203BriefLive Composer = 2.19 - Authenticated (Contributor+) Stored Cross-Site Scripting via 'custom_id' Shortcode AttributeRead more on CVE Program→Vulnerabilities & PatchesCVE-2026-13203Related stories