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Case File

CVE-2016-9459

MEDIUM · CVSS 6.1 EPSS 1.49% Public Exploit

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2017-03-28 · 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.

GitHub PoC Links
github.com ↗ github.com ↗ github.com ↗ github.com ↗

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

CVE
CVE-2016-9459
Severity
MEDIUM
CVSS
6.1
EPSS
1.49%
Microsoft Windows Firefox

Original Filing — NVD Description

Nextcloud Server before 9.0.52 & ownCloud Server before 9.0.4 are vulnerable to a log pollution vulnerability potentially leading to a local XSS. The download log functionality in the admin screen is delivering the log in JSON format to the end-user. The file was delivered with an attachment disposition forcing the browser to download the document. However, Firefox running on Microsoft Windows would offer the user to open the data in the browser as an HTML document. Thus any injected data in the log would be executed.