Is CVE-2020-4047 being actively exploited?

It is not currently in CISA's KEV catalog. Its EPSS exploitation probability is 4%.

What products does CVE-2020-4047 affect?

Tracked products affected include Fedora. Check the version you run to see whether it is affected.

How do I fix CVE-2020-4047?

Apply the vendor fix in your normal patch cycle. An official patch or advisory is available. Upgrade affected products to a fixed version.

← All products

CVE-2020-4047

Q: What is CVE-2020-4047?

CVE-2020-4047 is a medium-severity software vulnerability (CWE-80) with a CVSS score of 6.8. In affected versions of WordPress, authenticated users with upload permissions (like authors) are able to inject JavaScript into some media file attachment pages in a certain way. This can lead to script execution in the context of a higher

MEDIUM severity · CVSS 6.8 · CWE-80

6.8CVSS MEDIUM

Summary

In affected versions of WordPress, authenticated users with upload permissions (like authors) are able to inject JavaScript into some media file attachment pages in a certain way. This can lead to script execution in the context of a higher privileged user when the file is viewed by them. This has been patched in version 5.4.2, along with all the previously affected versions via a minor release (5.3.4, 5.2.7, 5.1.6, 5.0.10, 4.9.15, 4.8.14, 4.7.18, 4.6.19, 4.5.22, 4.4.23, 4.3.24, 4.2.28, 4.1.31, 4.0.31, 3.9.32, 3.8.34, 3.7.34).

Impact & exploitability

Attack vectorNetwork

Attack complexityLow

Privileges requiredLow

User interactionRequired

Confidentiality impactNone

Integrity impactHigh

Availability impactNone

Exploit probability (EPSS)4%

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

Affected products we track (1)

Fedora

Recommendation

Apply the vendor fix in your normal patch cycle. Open any affected product above for its exact safe version.

Official patch: https://github.com/WordPress/wordpress-develop/commit/0977c0d6b241479ecedfe19e96be69f727c3f81f ↗

CVE-2020-4047

Summary

Impact & exploitability

Affected products we track (1)

Recommendation

Additional information