CVE-2020-28033 Business logic in n/a

High 7.5 Published Updated

Attackers can inject spam embeds from disabled sites in WordPress multisite networks, requiring site administrators to upgrade.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Over the internet
Victim action needed
Not needed
Fix
Available

What is CVE-2020-28033?

CVE-2020-28033 is a high-severity vulnerability in Debian Debian Linux, published on 31 Oct 2020. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

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

Which versions are affected by CVE-2020-28033?

2 open source packages ship an affected version, including wordpress and wordpress-multisite. It affects 3 products.

PackageAffectedFixed in
wordpress BitnamiAll versions5.5.2
wordpress-multisite BitnamiAll versions5.5.2

Products include Debian Debian Linux, Fedoraproject Fedora, Wordpress Wordpress.

How do I fix CVE-2020-28033?

Upgrade wordpress to 5.5.2 or later.

Is CVE-2020-28033 being exploited?

There is no known exploitation of CVE-2020-28033 in the wild and no public exploit code.

All Debian Debian Linux vulnerabilities

Sources

Also known as BIT-wordpress-2020-28033, BIT-wordpress-multisite-2020-28033, DEBIAN-CVE-2020-28033, GHSA-chfm-w5r6-r24m, UBUNTU-CVE-2020-28033.

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