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CVE-2018-20149

Date: December 14, 2018

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.

Language: PHP

Severity Score

Related Resources (13)

https://lists.debian.org/debian-lts-announce/2019/02/msg00019.html
https://www.zdnet.com/article/wordpress-plugs-bug-that-led-to-google-indexing-some-user-passwords/
http://www.securityfocus.com/bid/106220
https://github.com/WordPress/WordPress/commit/246a70bdbfac3bd45ff71c7941deef1bb206b19a
https://www.debian.org/security/2019/dsa-4401
https://wpvulndb.com/vulnerabilities/9175
https://security-tracker.debian.org/tracker/CVE-2018-20149
https://codex.wordpress.org/Version_4.9.9
https://wordpress.org/news/2018/12/wordpress-5-0-1-security-release/
https://wordpress.org/support/wordpress-version/version-5-0-1/
https://people.canonical.com/~ubuntu-security/cve/CVE-2018-20149
https://nvd.nist.gov/vuln/detail/CVE-2018-20149
https://www.mend.io/vulnerability-database/CVE-2018-20149

Severity Score

Weakness Type (CWE)

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

CWE-79

CVSS v3.1

Base Score:
Attack Vector (AV): NETWORK
Attack Complexity (AC): LOW
Privileges Required (PR): LOW
User Interaction (UI): REQUIRED
Scope (S): CHANGED
Confidentiality (C): LOW
Integrity (I): LOW
Availability (A): NONE

CVSS v2

Base Score:
Access Vector (AV): NETWORK
Access Complexity (AC): MEDIUM
Authentication (AU): SINGLE
Confidentiality (C): NONE
Integrity (I): PARTIAL
Availability (A): NONE
Additional information:

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