What’s Vulnerable › Vulnerabilities

CVE-2014-9304

• Severity: high (CVSS 7.5 v2.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 8.1% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2014-12-07 · updated 2026-06-17
• Weakness: CWE-264

Description

Plex Media Server before 0.9.9.3 allows remote attackers to bypass the web server whitelist, conduct SSRF attacks, and execute arbitrary administrative actions via multiple crafted X-Plex-Url headers to system/proxy, which are inconsistently processed by the request handler in the backend web server.

Affected products

• Plex Media Server: through 0.9.9.2

References

• http://www.securityfocus.com/archive/1/531290
• https://forums.plex.tv/index.php/topic/62832-plex-media-server/?p=583250
• https://www.sec-consult.com/fxdata/seccons/prod/temedia/advisories_txt/20140228-1_Plex_Media_Server_Authentication_bypass_local_file_disclosure_v10.txt
• http://www.securityfocus.com/archive/1/531290
• https://forums.plex.tv/index.php/topic/62832-plex-media-server/?p=583250
• https://www.sec-consult.com/fxdata/seccons/prod/temedia/advisories_txt/20140228-1_Plex_Media_Server_Authentication_bypass_local_file_disclosure_v10.txt

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