Vulnerability identifier: #VU10376
Vulnerability risk: Low
CVSSv3.1: 6.7 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:P/RL:O/RC:C]
CVE-ID:
CWE-ID:
CWE-400
Exploitation vector: Network
Exploit availability: Yes
Vulnerable software:
WordPress
Web applications /
CMS
Vendor: WordPress.ORG
Description
The vulnerability allows a remote attacker to cause DoS condition on the target system.
The weakness exists in the server-side static file loading mechanism due to the way a built-in script in WordPress CMS "load-scripts.php" processes user-defined requests. A remote attacker can send force load-scripts.php to call all possible JavaScript files, consume high CPU and server memory and cause the service to crash.
Mitigation
Update to version 4.9.3.
Vulnerable software versions
WordPress: 4.9 - 4.9.2, 4.0 - 4.0.21, 4.1 - 4.1.21, 4.2 - 4.2.18, 4.3 - 4.3.14, 4.4 - 4.4.13, 4.5 - 4.5.12, 4.6 - 4.6.9, 4.7 - 4.7.8, 4.8 - 4.8.4, 3.4.0 - 3.4.2
External links
http://thehackernews.com/2018/02/wordpress-dos-exploit.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. However, proof of concept for this vulnerability is available.