CVE-2018-20149 : In WordPress before 4.9.9 and 5.x before 5.0.1, when the Apache HTTP Server is u

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.

Published 2018-12-14 20:29:00

Updated 2019-03-04 14:20:30

Source MITRE

View at NVD, CVE.org

Vulnerability category: Cross site scripting (XSS)

Products affected by CVE-2018-20149

Debian » Debian Linux » Version: 8.0
cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*
Matching versions
Debian » Debian Linux » Version: 9.0
cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*
Matching versions
Wordpress » Wordpress
Versions from including (>=) 5.0 and before (<) 5.0.1
cpe:2.3:a:wordpress:wordpress:*:*:*:*:*:*:*:*
Matching versions
Wordpress » Wordpress
Versions before (<) 4.9.9
cpe:2.3:a:wordpress:wordpress:*:*:*:*:*:*:*:*
Matching versions

Threat overview for CVE-2018-20149

Top countries where our scanners detected CVE-2018-20149

Top open port discovered on systems with this issue 80

IPs affected by CVE-2018-20149 1,765

Threat actors abusing to this issue? Yes

Find out if you^* are affected by CVE-2018-20149!

^*Directly or indirectly through your vendors, service providers and 3rd parties. Powered by attack surface intelligence from SecurityScorecard.

Exploit prediction scoring system (EPSS) score for CVE-2018-20149

EPSS FAQ

4.03%

Probability of exploitation activity in the next 30 days EPSS Score History

~ 87 %

Percentile, the proportion of vulnerabilities that are scored at or less

CVSS scores for CVE-2018-20149

Base Score	Base Severity	CVSS Vector	Exploitability Score	Impact Score	Score Source
3.5	LOW	AV:N/AC:M/Au:S/C:N/I:P/A:N	6.8	2.9	NIST
Access Vector: Network Access Complexity: Medium Authentication: Single Confidentiality Impact: None Integrity Impact: Partial Availability Impact: None
5.4	MEDIUM	CVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N	2.3	2.7	NIST
Attack Vector: Network Attack Complexity: Low Privileges Required: Low User Interaction: Required Scope: Changed Confidentiality: Low Integrity: Low Availability: None

CWE ids for CVE-2018-20149

CWE-79 Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users.

Assigned by: nvd@nist.gov (Primary)

References for CVE-2018-20149

http://www.securityfocus.com/bid/106220

WordPress Prior to 5.0.1 Multiple Security Vulnerabilities
Third Party Advisory;VDB Entry

CVEs referencing this url
https://wordpress.org/support/wordpress-version/version-5-0-1/

Version 5.0.1 | WordPress.org
Release Notes;Vendor Advisory

CVEs referencing this url
https://lists.debian.org/debian-lts-announce/2019/02/msg00019.html

[SECURITY] [DLA 1673-1] wordpress security update
Mailing List;Third Party Advisory

CVEs referencing this url
https://wordpress.org/news/2018/12/wordpress-5-0-1-security-release/

News – WordPress 5.0.1 Security Release – WordPress.org
Vendor Advisory;Release Notes

CVEs referencing this url
https://github.com/WordPress/WordPress/commit/246a70bdbfac3bd45ff71c7941deef1bb206b19a

Media: Improve verification of MIME file types. · WordPress/WordPress@246a70b · GitHub
Patch;Third Party Advisory
https://wpvulndb.com/vulnerabilities/9175

WordPress <= 5.0 - File Upload to XSS on Apache Web Servers
Vendor Advisory
https://www.debian.org/security/2019/dsa-4401

Debian -- Security Information -- DSA-4401-1 wordpress
Third Party Advisory

CVEs referencing this url
https://codex.wordpress.org/Version_4.9.9

Version 4.9.9 | WordPress.org
Product;Vendor Advisory

CVEs referencing this url
https://www.zdnet.com/article/wordpress-plugs-bug-that-led-to-google-indexing-some-user-passwords/

WordPress plugs bug that led to Google indexing some user passwords | ZDNet
Press/Media Coverage;Third Party Advisory

CVEs referencing this url