CVE-2016-9459
3Vexday Risk Score
No sign of exploitation. No public exploitation artifact known so far.
ssvc Trackepss 2.0%
exploitation probability
2.0%top 21% of all CVEs
observed exploitation
nono source reports it
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.
Affected products
n/a · Nextcloud Server & ownCloud Server Nextcloud Server before 9.0.52 & ownCloud Server before 9.0.4References
https://github.com/nextcloud/server/commit/94975af6db1551c2d23136c2ea22866a5b416070https://github.com/owncloud/core/commit/044ee072a647636b1a17c89265c7233b35371335https://github.com/owncloud/core/commit/b7fa2c5dc945b40bc6ed0a9a0e47c282ebf043e1https://github.com/owncloud/core/commit/efa35d621dc7ff975468e636a5d1c153511296dchttps://hackerone.com/reports/146278https://nextcloud.com/security/advisory/?id=nc-sa-2016-002https://owncloud.org/security/advisory?id=oc-sa-2016-012http://www.securityfocus.com/bid/97284