CVE-2018-6389

Name: CVE-2018-6389
Creator: NVD / NIST
Published: 2018-02-06T17:29:00.253+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

UnknownEPSS 73.10%

Last modified Jun 17, 2026

CVE-2018-6389 is a vulnerability of currently unknown severity. 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.. EPSS estimates a 73.10% chance of exploitation in the next 30 days.

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.

Metrics

EPSS Probability

73.10%

99.4th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-400

Affected Software

Vendor	Product	Versions
Wordpress	Wordpress	<= 4.9.2

References

http://www.securityfocus.com/bid/103060Third Party Advisory, VDB Entry
http://www.securitytracker.com/id/1040347Third Party Advisory, VDB Entry
https://baraktawily.blogspot.fr/2018/02/how-to-dos-29-of-world-wide-websites.htmlExploit, Issue Tracking, Third Party Advisory
https://github.com/UltimateHackers/ShivaExploit, Third Party Advisory
https://github.com/WazeHell/CVE-2018-6389Third Party Advisory
https://thehackernews.com/2018/02/wordpress-dos-exploit.htmlExploit, Third Party Advisory
https://wpvulndb.com/vulnerabilities/9021Third Party Advisory
https://www.exploit-db.com/exploits/43968/Exploit, Third Party Advisory, VDB Entry
http://www.securityfocus.com/bid/103060Third Party Advisory, VDB Entry
http://www.securitytracker.com/id/1040347Third Party Advisory, VDB Entry
https://baraktawily.blogspot.fr/2018/02/how-to-dos-29-of-world-wide-websites.htmlExploit, Issue Tracking, Third Party Advisory
https://github.com/UltimateHackers/ShivaExploit, Third Party Advisory
https://github.com/WazeHell/CVE-2018-6389Third Party Advisory
https://thehackernews.com/2018/02/wordpress-dos-exploit.htmlExploit, Third Party Advisory
https://wpvulndb.com/vulnerabilities/9021Third Party Advisory
https://www.exploit-db.com/exploits/43968/Exploit, Third Party Advisory, VDB Entry

Timeline

Published: Feb 6, 2018
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2018-6389?

How severe is CVE-2018-6389?

Severity scoring for CVE-2018-6389 is pending analysis. The EPSS model estimates a 73.10% probability of exploitation in the next 30 days.

How do I fix CVE-2018-6389?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2018-6389?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST