Plex Media Server Improper Neutralization of Encoded URI Schemes in a Web Page Vulnerability. Actively exploited: CISA added this vulnerability to its Known Exploited Vulnerabilities catalog on 20/10/2026. Patch affected systems as an emergency.
| Package | Affected versions | Patched versions |
|---|---|---|
| media server | < 1.43.3.10861 | 1.43.3.10861 |
Plex Media Server before 1.43.3.10861 does not correctly neutralize URL values included in 'searchOne,' allowing an attacker to call other plugins' functions and supply their own parameters.
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