Spoofing attack in Microsoft SharePoint Server - CVE-2021-26418
Published: May 11, 2021
Vulnerability identifier: #VU53077
CSH Severity: Medium
CVSS v4: 4.8 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:A/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2021-26418
CWE-ID: CWE-451
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to perform spoofing attack.
The vulnerability exists due to incorrect processing of user-supplied data in Microsoft SharePoint. A remote authenticated attacker can spoof page content.
Affected software
Microsoft SharePoint Server
How to mitigate CVE-2021-26418
Install updates from vendor's website.