CVE-2018-20150

MEDIUM

WordPress <4.9.9 & 5.x <5.0.1 - XSS

Title source: llm

Description

In WordPress before 4.9.9 and 5.x before 5.0.1, crafted URLs could trigger XSS for certain use cases involving plugins.

References (9)

[Third Party Advisory, VDB Entry] http://www.securityfocus.com/bid/106220

[Product, Vendor Advisory] https://codex.wordpress.org/Version_4.9.9

[Patch, Third Party Advisory] https://github.com/WordPress/WordPress/commit/fb3c6ea0618fcb9a51d4f2c1940e9efcd4a2d460

View Patch ZIP pw:eip

[Mailing List, Third Party Advisory] https://lists.debian.org/debian-lts-announce/2019/02/msg00019.html

[Release Notes, Vendor Advisory] https://wordpress.org/news/2018/12/wordpress-5-0-1-security-release/

[Release Notes, Vendor Advisory] https://wordpress.org/support/wordpress-version/version-5-0-1/

[Vendor Advisory] https://wpvulndb.com/vulnerabilities/9173

[Third Party Advisory] https://www.debian.org/security/2019/dsa-4401

[Press/Media Coverage, Third Party Advisory] https://www.zdnet.com/article/wordpress-plugs-bug-that-led-to-google-indexing-some-user-passwords/

Scores

CVSS v3 6.1

EPSS 0.0737

EPSS Percentile 91.6%

Attack Vector NETWORK

CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Classification

CWE

CWE-79

Status published

Affected Products (3)

wordpress/wordpress < 4.9.9

debian/debian_linux

debian/debian_linux

Timeline

Published Dec 14, 2018

Tracked Since Feb 18, 2026