High severity · published Feb 6, 2018
CVE-2018-6389
In WordPress through 4.9.2, unauthenticated attackers can cause a denial of service (resource consumption) by using the large list of registered .js files (from…
7.5
CVSS
72.7%
EPSS
No
On KEV
Description
In WordPress through 4.9.2, unauthenticated attackers can cause a denial of service (resource consumption) by using the large list of registered .js files (from wp-includes/script-loader.php) to construct a series of requests to load every file many times.
CVSS vector
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
None
Integrity
None
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)72.7% · higher than 99% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
WO
WordPress · WordPress
through 4.9.2 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2018-6389
CVE.org
https://www.cve.org/CVERecord?id=CVE-2018-6389
Third Party Advisory
http://www.securityfocus.com/bid/103060
Third Party Advisory
http://www.securitytracker.com/id/1040347
Exploit
https://baraktawily.blogspot.fr/2018/02/how-to-dos-29-of-world-wide-websites.html
Exploit
https://github.com/UltimateHackers/Shiva
Third Party Advisory
https://github.com/WazeHell/CVE-2018-6389
Exploit
https://thehackernews.com/2018/02/wordpress-dos-exploit.html
More from WordPress
9.8
CVE-2026-63030
WordPress < 7.0.2 - REST API batch-route confusion and SQL injection issue leading to Remote Code Execution
9.8
CVE-2020-25213
WordPress File Manager Plugin Remote Code Execution Vulnerability
9.8
CVE-2016-10033
The mailSend function in the isMail transport in PHPMailer before 5.2.18 might allow remote attackers to pass extra parameters to the mail command and consequently execute…
8.1
CVE-2026-87902
WordPress Core Remote File Inclusion Vulnerability
7.5
CVE-2020-11738
WordPress Snap Creek Duplicator Plugin File Download Vulnerability
