CVE-2020-28033

HIGH

WordPress <5.5.2 - Info Disclosure

Title source: llm

Description

WordPress before 5.5.2 mishandles embeds from disabled sites on a multisite network, as demonstrated by allowing a spam embed.

References (6)

[Mailing List, Third Party Advisory] https://lists.debian.org/debian-lts-announce/2020/11/msg00004.html

[Release Notes, Vendor Advisory] https://wordpress.org/news/2020/10/wordpress-5-5-2-security-and-maintenance-release/

[Third Party Advisory] https://www.debian.org/security/2020/dsa-4784

[Mailing List, Third Party Advisory] https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/CHHVNK2WYAM3ZTCXTFSEIT56IKLVJHU3/

[Mailing List, Third Party Advisory] https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/VAVVYJKA2I6CRQUINECDPBGWMQDEG244/

[Mailing List, Third Party Advisory] https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/VUXVUAKL2HL4QYJEPHBNVQQWRMFMII2Y/

Scores

CVSS v3 7.5

EPSS 0.0126

EPSS Percentile 79.2%

Attack Vector NETWORK

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

Classification

Status published

Affected Products (6)

wordpress/wordpress < 5.5.2

fedoraproject/fedora

fedoraproject/fedora

fedoraproject/fedora

debian/debian_linux

debian/debian_linux

Timeline

Published Nov 02, 2020

Tracked Since Feb 18, 2026