CVE-2020-28033

Name: CVE-2020-28033
Creator: NVD / NIST
Published: 2020-11-02T21:15:30.727+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.5/10EPSS 2.62%

Last modified Jun 17, 2026

CVE-2020-28033 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. WordPress before 5.5.2 mishandles embeds from disabled sites on a multisite network, as demonstrated by allowing a spam embed.. EPSS estimates a 2.62% chance of exploitation in the next 30 days.

Description

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

Metrics

CVSS 3.1

7.5/10

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

EPSS Probability

2.62%

83.5th percentile

Probability of exploitation in the next 30 days. Learn more

Affected Software

Vendor	Product	Versions
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

Timeline

Published: Nov 2, 2020
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2020-28033?

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

How severe is CVE-2020-28033?

CVE-2020-28033 has a CVSS score of 7.5/10 (HIGH severity). The EPSS model estimates a 2.62% probability of exploitation in the next 30 days.

How do I fix CVE-2020-28033?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2020-28033?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST