CVEvulnerability

CVE-2020-28033

7.5 HIGH Published 2020-11-02 Modified 2026-06-17 Official page ↗

Status: Modified
Published: 2020-11-02
Last modified: 2026-06-17
Assigner: [email protected]
CVSS 3.1 ([email protected]): 7.5 HIGH — CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
CVSS 2.0 ([email protected]): 5.0 MEDIUM — AV:N/AC:L/Au:N/C:N/I:P/A:N

Description

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

Affected configurations

• wordpress wordpress (< 5.5.2) • fedoraproject fedora 31 • fedoraproject fedora 32 • fedoraproject fedora 33 • debian debian linux 9.0 • debian debian linux 10.0

References

https://lists.debian.org/debian-lts-announce/2020/11/msg00004.html Mailing List, Third Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/CHHVNK2WYAM3ZTCXTFSEIT56IKLVJHU3/ lists.fedoraproject.org
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/VAVVYJKA2I6CRQUINECDPBGWMQDEG244/ lists.fedoraproject.org
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/VUXVUAKL2HL4QYJEPHBNVQQWRMFMII2Y/ lists.fedoraproject.org
https://wordpress.org/news/2020/10/wordpress-5-5-2-security-and-maintenance-release/ Release Notes, Vendor Advisory
https://www.debian.org/security/2020/dsa-4784 Third Party Advisory
https://lists.debian.org/debian-lts-announce/2020/11/msg00004.html Mailing List, Third Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/CHHVNK2WYAM3ZTCXTFSEIT56IKLVJHU3/ lists.fedoraproject.org
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/VAVVYJKA2I6CRQUINECDPBGWMQDEG244/ lists.fedoraproject.org
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/VUXVUAKL2HL4QYJEPHBNVQQWRMFMII2Y/ lists.fedoraproject.org
https://wordpress.org/news/2020/10/wordpress-5-5-2-security-and-maintenance-release/ Release Notes, Vendor Advisory
https://www.debian.org/security/2020/dsa-4784 Third Party Advisory