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Case File

CVE-2016-2840

MEDIUM · CVSS 6.1 EPSS 1.64% Public Exploit

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2016-12-15 · Last synced 2026-08-04

Field Assessment

AI analysis pending.

Exhibit — Public Exploit Signal

A public exploit, PoC, GitHub repository or Metasploit reference was detected for this CVE.

Detected Signals
exploit
External Security References

Note: these links are listed for security research and verification purposes only.

CVE
CVE-2016-2840
Severity
MEDIUM
CVSS
6.1
EPSS
1.64%

Original Filing — NVD Description

An issue was discovered in Open-Xchange Server 6 / OX AppSuite before 7.8.0-rev26. The "session" parameter for file-download requests can be used to inject script code that gets reflected through the subsequent status page. Malicious script code can be executed within a trusted domain's context. While no OX App Suite specific data can be manipulated, the vulnerability can be exploited without being authenticated and therefore used for social engineering attacks, stealing cookies or redirecting from trustworthy to malicious hosts.