CVE-2018-6389In WordPress through 4.9.2, unauthenticated attackers can cause a denial of service (resource consumption) by using the large list of…
- 7.5HighCVSS base score
- 72.7%Exploitation in 30 daysEPSS · top 0.5% of all CVEs
- NoKnown exploitednot in CISA's KEV catalog
- 1Public exploitsMetasploit, Nuclei and Exploit-DB
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.
Public exploit
An exploit or proof of concept is public: anyone can try it against an unpatched system. The public collections list an Exploit-DB entry for it. A reference of the record is tagged as an exploit.
Show the exploits2
Exploit-DB1 entry
- WordPress Core - 'load-scripts.php' Denial of Service (Exploit-DB entry) (opens in a new tab)
EDB-ID 43968dos, phppublished 5 Feb 2018Not verified
References tagged exploit1 reference
- 43968 (opens in a new tab)exploitx_refsource_EXPLOIT-DBx_transferred
Modules, templates and exploits as listed by the Metasploit Framework (BSD-3-Clause), ProjectDiscovery's Nuclei templates (MIT) and the Exploit Database (GPLv2), read once a day. Where the data comes from
Timeline
ID reserved
By mitre
- 8 days later
· 8 days later
Published
- 6 years later
· 6 years later
Record updated
Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Modified | 3.0 | High7.5 | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
- EPSS (exploitation in 30 days)
- 72.7% · top 0.5% of all CVEs (12 Nov 2026)
The list uses the assigner's score when there is one, then CISA's, then NVD's: High 7.5.
Affected products
n/a
- affected n/a
References
References8
- 103060 (opens in a new tab)vdb-entryx_refsource_BIDx_transferred
- https://wpvulndb.com/vulnerabilities/9021 (opens in a new tab)x_refsource_MISCx_transferred
- 43968 (opens in a new tab)exploitx_refsource_EXPLOIT-DBx_transferred
- https://baraktawily.blogspot.fr/2018/02/how-to-dos-29-of-world-wide-websites.html (opens in a new tab)x_refsource_MISCx_transferred
- 1040347 (opens in a new tab)vdb-entryx_refsource_SECTRACKx_transferred
- https://thehackernews.com/2018/02/wordpress-dos-exploit.html (opens in a new tab)x_refsource_MISCx_transferred
- https://github.com/WazeHell/CVE-2018-6389 (opens in a new tab)x_refsource_MISCx_transferred
- https://github.com/UltimateHackers/Shiva (opens in a new tab)x_refsource_MISCx_transferred
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- EUVD EUVD-2018-18146 (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://cveledger.app/cve/CVE-2018-6389)Record last updated .