[CVE-2026-96654] Plex Media Server — Plex Media Server Improper Neutralization of Encoded URI Schemes in a Web Page Vulnerability

What happened?

Plex Media Server contains an improper neutralization of encoded URI schemes in a web page vulnerability that could allow an attacker to call other plugins' functions and supply their own parameters. This vulnerability can be chained with CVE-2026-96652, CVE-2026-96655, and CVE-2026-96656. Required action: Apply mitigations in accordance with vendor instructions, ensuring compliance with CISA’s BOD 26-04 Prioritizing Security Updates Based on Risk (see URL in Notes) guidance and CISA’s “Forensics Triage Requirements” (see URL in Notes).

Key details

• Strapi has a cleartext storage flaw exposing sensitive user data via query filters.
• The vulnerability can be chained with CVE-2023-22621 for remote code execution.
• Impacted products may be end-of-life or end-of-service.
• Users should discontinue use or transition to a supported version.
• Forensic triage is required per BOD 26-04 directive.

Summarised by SecOraLens from CISA KEV. Always read the original source before acting. How SecOraLens verifies advisories.