Vulnerability identifier: #VU27916
Vulnerability risk: Medium
CVSSv3.1: 4.1 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:N/I:L/A:N/E:U/RL:O/RC:C]
CVE-ID:
CWE-ID:
CWE-74
Exploitation vector: Network
Exploit availability: No
Vulnerable software:
Movable Type
Web applications /
CMS
Movable Type Advanced
Web applications /
CMS
Movable Type for AWS
Web applications /
CMS
Movable Type Premium
Web applications /
CMS
Movable Type Premium Advanced
Web applications /
CMS
Vendor: Six Apart Ltd
Description
The vulnerability allows a remote attacker to perform cache poisoning attack.
The vulnerability exists due to improper input validation of HTML code. A remote attacker can send a specially crated request and inject arbitrary HTML attribute value.
Mitigation
Install updates from vendor's website.
Vulnerable software versions
Movable Type: 6.3 - 7.2.1
Movable Type Advanced: 6.3 - 7.2.1
Movable Type for AWS: 7.0.1 - 7.2.1
Movable Type Premium: 1.29
Movable Type Premium Advanced: 1.29
External links
http://jvn.jp/en/jp/JVN28806943/index.html
http://movabletype.org/news/2020/05/mt-730-660-6312-released.html
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.