Medium severity · published Dec 14, 2018
CVE-2018-20149
In WordPress before 4.9.9 and 5.x before 5.0.1, when the Apache HTTP Server is used, authors could upload crafted files that bypass intended MIME type restrictions, leading to…
5.4
CVSS
2.9%
EPSS
No
On KEV
Description
In WordPress before 4.9.9 and 5.x before 5.0.1, when the Apache HTTP Server is used, authors could upload crafted files that bypass intended MIME type restrictions, leading to XSS, as demonstrated by a .jpg file without JPEG data.
CVSS vector
CVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
Attack vector
Network
Complexity
Low
Privileges
Low
User interaction
Required
Confidentiality
Low
Integrity
Low
Availability
None
Scope
Changed
Exploitation
Is it being used?
Exploit prediction (EPSS)2.9% · higher than 87% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
WO
WordPress · WordPress
before 4.9.9; 5.0 before 5.0.1 · source: NVD
DL
Debian Linux · Debian
8.0; 9.0 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2018-20149
CVE.org
https://www.cve.org/CVERecord?id=CVE-2018-20149
Third Party Advisory
http://www.securityfocus.com/bid/106220
Product
https://codex.wordpress.org/Version_4.9.9
Patch
https://github.com/WordPress/WordPress/commit/246a70bdbfac3bd45ff71c7941deef1bb206b19a
Mailing List
https://lists.debian.org/debian-lts-announce/2019/02/msg00019.html
Release Notes
https://wordpress.org/news/2018/12/wordpress-5-0-1-security-release/
Release Notes
https://wordpress.org/support/wordpress-version/version-5-0-1/
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