Resource exhaustion in WordPress
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 wp-includes/script-loader.php) to construct a series of requests to load every file many times.
Vulnerability class: DoS (Denial of Service)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.
EPSS exploit prediction
EPSS: 0.727 (99.4th percentile), scored .
High probability of exploitation in the next 30 days — patch promptly. 99th percentile — 99.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.826 · newest: 0.727 · change: -0.099
Affected products
Weakness classification (CWE)
Public proof-of-concept exploits
References
- www.securityfocus.com/bid/103060 (VDB Entry, Third Party Advisory, vdb-entry)
- wpvulndb.com/vulnerabilities/9021 (Third Party Advisory)
- www.exploit-db.com/exploits/43968/ (Exploit, VDB Entry, Third Party Advisory, exploit)
- baraktawily.blogspot.fr/2018/02/how-to-dos-29-of-world-wide-websites.html (Exploit, Third Party Advisory, Issue Tracking)
- www.securitytracker.com/id/1040347 (VDB Entry, Third Party Advisory, vdb-entry)
- thehackernews.com/2018/02/wordpress-dos-exploit.html (Exploit, Third Party Advisory)
- github.com/WazeHell/CVE-2018-6389 (Third Party Advisory)
- github.com/UltimateHackers/Shiva (Exploit, Third Party Advisory)
Frequently asked questions
- What is CVE-2018-6389?
- CVE-2018-6389 is a high-severity vulnerability in WordPress, classified under Uncontrolled Resource Consumption. CVSS score: 7.5/10. Published 2018-02-06.
- How severe is CVE-2018-6389?
- High severity. CVSS v3 base score is 7.5 out of 10.
- Is CVE-2018-6389 known to be exploited?
- 141 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.