Vulnerability identifier: #VU72774
Vulnerability risk: Medium
CVSSv3.1: 8.6 [CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H/E:U/RL:O/RC:C]
CVE-ID:
CWE-ID:
CWE-264
Exploitation vector: Network
Exploit availability: No
Vulnerable software:
XWiki platform
Web applications /
CMS
Vendor: XWiki
Description
The vulnerability allows a remote attacker to escalate privileges on the system.
The vulnerability exists due to improper encoding or escaping of output by the async macro and IconThemeSheet from the user profile. A remote user can gain elevated privileges.
Mitigation
Install updates from vendor's website.
Vulnerable software versions
XWiki platform: 6.2-milestone-1
External links
http://github.com/xwiki/xwiki-platform/security/advisories/GHSA-vwr6-qp4q-2wj7
http://github.com/xwiki/xwiki-platform/commit/48caf7491595238af2b531026a614221d5d61f38#diff-2ec9d716673ee049937219cdb0a92e520f81da14ea84d144504b97ab2bdae243R45
http://jira.xwiki.org/browse/XWIKI-19731
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote authenticated user via the Internet.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.